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.

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.

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.

promethazine mixed with sprite.

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