Informal Unambiguously; bluntly; plainly and directly.
She told me straight up that she didn't want to go, then surprised me by coming.
She straight up hates him.
2 more examples
"You lied. Straight up lied to me to my face. I thought we were better than that, Nickey. I asked you if you were sleeping with him, if you two were serious. You said no."2008 March 25, La Jill Hunt, No More Drama, Kensington Books, →ISBN, page 108:
"It took a while though," he lied straight up to his brother. I knew damn well that if he could read minds, then his brother could too, but I guessed he wouldn't have wanted to.2020 November 24, Eileen Aiyana Taylor, The Vampire Peasant: A Sinister Heart Novel, Xlibris Corporation, →ISBN:
3
Slang, Modifying an adjective To the utmost degree; really.
Wow, this food is straight up delicious.
4
Of an alcoholic drink, chilled, (stirred or shaken over ice) and served in a cocktail glass, with no ice.
Gimme a margarita, straight up.
Connoisseurs may prefer to savour their dram of single malt straight up. But, for beverage companies, that's not where the growth is.2025 December 27, “Cocktails in a can are the new frontier for drooping drinks giants”, in FT Weekend, London: The Financial Times Ltd., →ISSN, →OCLC, page 18:
Etymology From Middle English streight up (“straight, erect, not curved or crooked, direct, honest”), equivalent to straight + up.
1
Open, frank.
I support what you are attempting to do, but quite frankly, I think we should be straight up about what some of the consequences are.1984, Joe Biden, “Women in Development: Looking to the Future”, in parliamentary debates (United States Senate):
2
Alternative Alternative form of straight-up.
straight-up
adj
Etymology From Middle English streight up (“straight, erect, not curved or crooked, direct, honest”), equivalent to straight + up.
1
Colloquial True; unambiguous; unqualified; plainly so, with no bones about it.
From her recent comments, I think she's a straight-up racist.
Because it doesn’t actually produce anything, some knock Rockstar as a straight-up patent troll.2012 May 21, Robert McMillan, “How Apple and Microsoft Armed 4,000 Patent Warheads”, in Wired:
1 more example
Want to smell like a straight-up snack on a budget? Try out one of #PerfumeTok's favorite scents with notes of milk chocolate, creamy vanilla, and soft musks.2024 October 8, Lauren Gruber, Megan Uy, “We Found Sooo Many Viral TikTok Items on Sale for October Prime Day”, in Cosmopolitan: