Top Definition
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"
by Eraserkid November 15, 2009
4 Words related to Caff me up

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