blow up

adj, noun, verb — 28 senses

blow-up

adjalso spelled blow-up

Etymology Deverbal from blow up.

1

Inflatable; able to be blown up.

  • The kids played with a blow-up sea-monster in the pool.
Derived terms
blow-up doll

blow-up

noun

Etymology Deverbal from blow up.

1

Informal An explosion (physical or emotional).

  • I heard Jen's blow-up from the next room.
  • But BBD said that “several” wholesalers it spoke with said they are “waiting out the storm” — expecting the backlash to fade a few weeks following the initial controversy, as many similar blow-ups have in the past.2023 April 26, Jordan Valinsky, “Bud Light sales are falling, but distributors say they’re sticking by the brand”, in CNN:
1 more example
  • How OpenAI resolves the blow-up at its highest levels may help show how well its competitors, in the race for human-level AI, can be expected to handle the deep contradictions in their work between progress and safety.2023 November 25, Richard Waters, John Thornhill, “Tech’s philosophical rift over AI”, in FT Weekend (Big Read section), London: The Financial Times Ltd., →ISSN, →OCLC, page 6:
2

Informal An enlargement (e.g. of a photograph).

  • Make a blow-up of the chart so we have more room to draw on it.

blow up

verb

Etymology From Middle English blow up, blowe up, dissimilated forms of earlier Middle English upblowen (> English upblow), equivalent to blow + up. Compare West Frisian opblaze (“to blow up, inflate”), Dutch opblazen (“to blow up, inflate”), German aufblähen and aufblasen (“to blow up, inflate”), Swedish blåsa upp (“to blow up, inflate”), Icelandic blása upp (“to blow up, inflate”), Gothic 𐌿𐍆𐌱𐌻𐌴𐍃𐌰𐌽 (ufblēsan, “to blow or puff up”).

25 senses
  1. 1Used other than figuratively or idiomatically: see blow, up.
  2. 2To explode or be destroyed by explosion.
  3. 3To cause (something or someone) to explode, or to…
  4. 4To inflate or fill with air, either by literally blowing…
  5. 5To represent something as being more important or…
  6. 6To enlarge or zoom in on.
  7. 7To fail disastrously.
  8. 8To increase without bound as a function argument or…
  9. 9To become popular very quickly.
  10. 10To suddenly get very angry, to lose one's temper.
  11. 11To become much more fat or rotund in a short space of time.
  12. 12To inflate, as with pride, self-conceit, etc.; to puff up.
  13. 13To excite.
  14. 14To scold violently, blow up at.
  15. 15To blow the whistle.
  16. 16To succumb to oxygen debt and lose the ability to…
  17. 17To overwhelm through unexpectedly high demand, activity…
  18. 18To overwhelm (a place) with traffic or volume by…
  19. 19To bombard with a large number of calls, texts, or…
  20. 20To be overwhelmed by unexpectedly high demand, usage…
  21. 21To be overwhelmed with traffic or volume.
  22. 22To receive a large number of calls, texts, or…
  23. 23To cause a malodorous smell by flatulation, defecation, etc.
  24. 24To begin; to gather; to form.
  25. 25To use an intoxicating drug; to get high.
1

Used other than figuratively or idiomatically: see blow, up.

  • See if you can blow the bubbles up the staircase.
  • Trying blowing up it at an angle instead of directly across it.
2

Also, Figuratively To explode or be destroyed by explosion.

  • Why do cars in movies always blow up when they fall off a cliff?
  • In dense fog at about 10.25 p.m. on the night of October 25, two tank barges carrying petroleum [...] missed the entrance to the docks at Sharpness and were carried up the River Severn by the incoming tide. They collided with one of the piers of the Severn Bridge, carrying the Berkeley Road-Lydney branch of the Western Region, and as a result of the collision both tankers blew up.1961 January, “Talking of Trains: The Severn Bridge disaster”, in Trains Illustrated, pages 3, 5:
2 more examples
  • There were so many things she wanted to know so desperately that Jessamy began to feel she would burst if she did not find out at once. At last, throwing caution to the winds, she put down the basket with a bump. “Kitto, I must ask you or I shall blow up. […]”1967, Barbara Sleigh, Jessamy, Sevenoaks, Kent: Bloomsbury, published 1993, →ISBN, page 109:
  • The world's smallest violin / Really needs an audience / So if I do not find somebody soon (That's right, that's right) / I'll blow up into smithereens2021 March 26, AJR, “World's Smallest Violin”, in OK Orchestra, US: AJR Productions, BMG Rights Management, →OCLC:
3

Also, Figuratively To cause (something or someone) to explode, or to destroy (something) or maim or kill (someone) by means of an explosion.

  • We had to blow up the bridge before the enemy army arrived.
  • More civilians than soldiers have been blown up by anti-personnel mines.
3 more examples
  • Temporary bridges are now common in Moravia and Slovakia as so many permanent structures were blown up during the last phase of the war.1947 January and February, Gerald Druce (Jun.), “A Journey on the "Slovak Arrow"”, in Railway Magazine, page 16:
  • The attempts to rule out multiple equilibria basically state that the government will blow up the economy should accelerating inflation or deflation occur.2011, Cochrane, John H., “Determinacy and Identification with Taylor Rules”, in Journal of Political Economy, volume 119, number 3, page 606:
  • "But we wanted to be more ambitious. We had established contacts with the Ukrainian railways, and they had all sorts of needs. Bridges blown up by the Russians, but also bridges blown up by themselves in tactical battlefield operations."2023 May 17, Paul Clifton, “Building bridges to Ukraine...”, in RAIL, number 983, page 31:
4

To inflate or fill with air, either by literally blowing or by using a pump.

  • For the school science project, each student will blow up a balloon and then tie it closed.
  • never did it ring more loudly than that night, as I watched her draw back the blanket of moss from the coals, blow up the fire, and cook the evening meal.1904, Jack London, chapter 30, in The Sea-Wolf (Macmillan’s Standard Library), New York, N.Y.: Grosset & Dunlap, →OCLC:
5

Figuratively To represent something as being more important or serious than it actually is; to inflate; to exaggerate.

  • The foreign secretary David Miliband's emphasis that this is purely a consular matter is intended to forestall an attempt by Iranian hardliners to blow the incident up.2009 December 1, Ian Black, “Fear that Iran will raise tensions over detention of British yachtsmen”, in The Guardian, archived from the original on 08 Sep 2013:
  • Lena insists the moment wasn't as awkward as it looked, and the coverage blew it up to be something way bigger than it actually was IRL.2020 May 13, Dusty Baxter-Wright, “Lena Dunham explains what really happened with awkward Brad Pitt kiss”, in Cosmopolitan, archived from the original on 18 Jun 2023:
1 more example
  • By scrupulosity, I mean an exaggerated amount of self-condemnation over small issues that you blow up in your mind as terrible.2022 April 28, Robert Enright Ph.D., “Why Self-Loathing Has a Positive Quality to It”, in Psychology Today:
6

To enlarge or zoom in on.

  • Blow up the picture to get a better look at their faces.
7

To fail disastrously.

  • So I wish you luck, but don't come crying to me when it blows up in your face.2002, Joan Barfoot, Critical injuries, page 118:
8

Mathematics, Sciences Said of a function To increase without bound as a function argument or parameter approaches a certain value; to tend toward infinity; to approach infinity as a limit.

  • The quantity 1/x blows up as x approaches zero.
  • And these loops have a tendency to blow up, to borrow more and more energy by becoming smaller and smaller, eventually borrowing an infinite amount of energy. When a calculation returns an infinite answer, this usually means something has gone badly wrong.2016, Gavin Hesketh, The Particle Zoo: The Search for the Fundamental Nature of Reality, Quercus Editions Ltd, pages 222–223:
9

Slang To become popular very quickly.

  • This album is about to blow up; they’re being promoted on MTV.
  • You know you blew up when the women rush your stands And try to touch your hands like some screaming Usher fans […]1999, Eminem, “My Name Is”, in The Slim Shady LP:
1 more example
  • “It was artsy,” Mr. Skorupski said, likening it to a cross between a steakhouse and MoMA. “This is a place that’s going to blow up.”2023 September 25, Becky Hughes, “New York’s Hottest Steakhouse Was a Fake, Until Saturday Night”, in The New York Times, →ISSN:
10

Slang To suddenly get very angry, to lose one's temper.

  • Dad blew up at me when I told him I was pregnant.
11

Slang To become much more fat or rotund in a short space of time.

12

Dated To inflate, as with pride, self-conceit, etc.; to puff up.

  • to blow someone up with flattery
  • blown up with high conceits engendering pride1667, John Milton, “Book IV”, in Paradise Lost. […], London: […] [Samuel Simmons], and are to be sold by Peter Parker […]; [a]nd by Robert Boulter […]; [a]nd Matthias Walker, […], →OCLC; republished as Paradise Lost in Ten Books: […], London: Basil Montagu Pickering […], 1873, →OCLC:
13

Dated To excite.

  • to blow up a contention
14

Dated To scold violently, blow up at.

  • […] did not choose to comply with her wishes. Upon which Mrs. Basset, in the language of the Old Bailey, nabbed the rust; insisted upon some liquor, would not quit the house without it, and began to blow up the hostess and blast the rose.1807, The Port Folio, page 313:
  • #*: I have blown him up well — nobody can say I wink at what he does.1871, George Eliot [pseudonym; Mary Ann Evans], chapter 13, in Middlemarch […], volume I, Edinburgh; London: William Blackwood and Sons, →OCLC, book II:
15

Hobbies, Lifestyle, Sports To blow the whistle.

16

Cycling, Hobbies, Lifestyle, Sports To succumb to oxygen debt and lose the ability to maintain pace in a race.

17

Slang, Of a device To overwhelm through unexpectedly high demand, activity, usage, traffic volume, etc.

Machine; system; or establishment; machine; system; or establishment

  • I blew up another department's API servers – did I screw up or should they have more protections?2024 May 23, “AskProgramming”, in Reddit:
18

Slang, Of a hangout, Of a device To overwhelm (a place) with traffic or volume by revealing its existence to others.

Machine; system; or establishment

  • blow up the spot;   blow up someone's spot
  • Be cool! Keep it on the down low. Don't blow up my spot!
19

Slang, Of a cell phone, Of a device To bombard with a large number of calls, texts, or notifications, to the point of rendering temporarily unusable or exasperating the recipient.

Machine; system; or establishment; or similar; or similar

  • blow up someone's phone
  • I had to mute the notifications for that group text. Those hooligans kept blowing up my phone.
4 more examples
  • I am the man So I’m sitting in the VIP with my mains We twisted up some Crip but I am ready to dip to the telly with my relly cuz these fuckin git up chicks keep blowin up my celly.2007, “Fucc & Git Up”, in DZ (lyrics), Sleepless City Livin, performed by DZ ft. Gangsta Nutt, from 1:59:
  • Don't let them sabotage a possible good thing by blowing up your phone while you're in the middle of a hot date with nonsense like, “Jason keeps asking for a Popsicle before bed. Do you think it's okay that I give him one?”2009, RM Johnson, Why Men Fear Marriage: The Surprising Truth Behind Why So Many Men Can't Commit, →ISBN:
  • Dad sure knew how to kill a mood. He had blown up my phone all day, ensuring that I didn't back out of our agreement.2011, Jaime Reed, Living Violet, →ISBN, page 67:
  • Not knowing the whereabouts of his daughter, Tavon blew up her phone without once getting a response.2012, Chris Hicks, Ebony Chronicles of Elevation, volume 1, →ISBN, page 181:
20

Slang, Of a device To be overwhelmed by unexpectedly high demand, usage, activity, traffic volume, etc.

Machine; system; or establishment; machine; system; or establishment

  • There were so many incoming enemy planes that our monitoring and notification system blew up before the base was even able to respond.
21

Slang, Of a hangout, Of a device To be overwhelmed with traffic or volume.

Machine; system; or establishment

  • Damn, my spot blew up. Time to find the next one.
22

Slang, Of a cell phone, Of a device To receive a large number of calls, texts, or notifications, to the point of being rendered temporarily unusable or exasperating the recipient.

Machine; system; or establishment; or similar; or similar

  • one's phone is blowing up
  • I had to mute the notifications for that group text. My phone kept blowing up every day.
1 more example
  • Halfway home, and my pager's still blowin' up1992, Ice Cube, “It Was A Good Day”, in The Predator:
23

Colloquial, Slang To cause a malodorous smell by flatulation, defecation, etc.

  • Don't go in there...I really blew it up.
24

Of a storm To begin; to gather; to form.

  • A storm is blowing up in the north.
25

Dated, Slang To use an intoxicating drug; to get high.

Derived terms
blowing up, blow me up, blow someone's skirt up, blow-up, blow up in one's face, blow up one's spot, blow up someone's spot, blow up the spot, blow up the tote

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — authors: page histories for blow-up and blow up.