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ack

noun, verb, intj — 8 senses

ACK

nounalso spelled ACK
1

Computing, Engineering, Mathematics, Natural sciences, Networking, Physical sciences, Sciences An acknowledgement either of a packet or a message received from a network.

Antonyms
NAK

ACK

verb
1

Computing, Engineering, Mathematics, Natural sciences, Networking, Physical sciences, Sciences To acknowledge a packet or a message received from a network.

  • Yet, with full ECN nonce functionality and totally unreliable behaviour, ACKing individual packets only would require the receiver to maintain state that could theoretically grow without bounds.2005, Michael Welzl, Network Congestion Control: Managing Internet Traffic, page 150:
Derived terms
unacked
Related terms
roger:

ack

intj

/æk/

Etymology Clipping of acknowledged.

1

Broadcasting, Media, Radio, Radio communications acknowledged

ack

noun

Etymology Clipping of acknowledged.

1

Government, Military, Politics, War Historical The letter A as used in signalling and other types of communications.

  • They had to begin at the beginning: learning the Morse code, flag-wagging, a succession of acks, and practice on the buzzer.1929, Frederic Manning, The Middle Parts of Fortune, Vintage, published 2014, page 173:
2

acknowledgment signal

Data communications

Antonyms
nack, nak
Derived terms
ack emma, ack-ack

ack

intj

/æ(ː)k/ · /æ(ː)x/

Etymology Imitative. Etymology 2, interjection sense 2 is first attested in the latter part of September, 2021 on /qa/ - Question & Answer, from which it appears to have originated.

1

Expressing distaste, alarm, or trepidation.

2

Offensive Mocking a transgender person by imitating the sound of choking during a suicide by hanging, evoking the notion that transgender people frequently commit suicide.

  • ACK!2021 September 22, anonymous author, 4chan, /qa/:
  • >...ACK!2021 September 23, anonymous author, 4chan, /qa/:
3 more examples
  • Hahaha Nooo dad why won't you accept me for my true self noooo ....BLURK.. ack ack2021 September 23, anonymous author, 4chan, /qa/:
  • Ack!2021 September 23, anonymous author, 4chan, /fit/:
  • >Im so glad i transitioned >Time to look myself in the mirror >... >... >...ACK!2021 September 24, anonymous author, 4chan, /qa/:

ack

verb

Etymology Imitative. Etymology 2, interjection sense 2 is first attested in the latter part of September, 2021 on /qa/ - Question & Answer, from which it appears to have originated.

1

Offensive To commit suicide.

  • Ack yourself.

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