The moment when women (usually teenagers at dance parties) pull up their cups on a strapless dress to keep their boobs from falling out. If you pay close attention, this happens extremely often.
Because Sonia never did a cup-up before she danced, her boobs fell out and everyone stared.
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when you threaten a boy that if he doesn't stop being a douche bag, you will grab where his cup is, and the push up, it hurts a lot worse than actually hitting someone in that spot.
" do you know how it feels when your cup goes up? if you don't stop being stupid i will show you."
by trrinaa. January 13, 2009
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When properly slapping the fine ass of a beautiful woman, the action involved is a cupping, and slight upward movement, as the slap is initiated. Thus, cup n up.
"I cup n upped Vals ass"
by Purplestickynugs October 4, 2011
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In beer pong or similar drinking games, the fuck-up cup is one cup which has substantially more beer than all the others. This often causes the partner of the pourer to argue that they don't have to drink it when that cup is taken during the game.
You're the one who filled it wrong Jay, I'm not drinking the fuck-up cup!
by Brian F- September 19, 2006
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The plain indiscrete cup you fill with your favorite adult beverage to consume while you walk from your tailgate gate location and the concert event entrance.
Rick: Come on let's go, we need to get inside before they take the stage.

John: Hold on I just need to fill up my walk-up cup before we leave with another jagerbomb.
by Drunkle Rick September 22, 2009
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A term originated at Philly public pools. To dive in the water with the intention of making a big loud smacking sound , and splash. Some also refer to it as Cuppin It Up or Cuffin It Up
Im bout to cup it up.

Im bout to cuff it up.
by Philly Slang Definitions August 11, 2021
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Cup 7 nutsacks in a row without breathing
by Buttboob January 20, 2017
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