1. What one says when in question from someone who offers to get a drink for them, to imply that the one in question does not care what drink the one who is offering gets, as long as the drink contains Caffeine.
Joe- "Hey Liz, I am going to go into 7-11 to get a drink, want anything?"
Liz- "I'm tired and need to finish these exams, Caff me up"
Joe- "Hey, I got you some Sprite"
Liz- "You Dick"
Liz- "I'm tired and need to finish these exams, Caff me up"
Joe- "Hey, I got you some Sprite"
Liz- "You Dick"
by Eraserkid November 16, 2009
Consuming any drink with caffeine, energizing yourself, gathering energy from an outside source, waking the fuck up, rising to the occasion, pushing yourself to the max, etc.
by caff up. September 27, 2021