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2.
What some people do to get pumped or psyched before a game.
Hey everybody look! David from Bokey is about to charge up!
by mikey the swimchamp November 12, 2005
 
1.
When you say somthing to piss of someone so that they will want to fight you.
Ass: Bet you hit like a little bitch.
Someone in the room: Charge up! Bet you won't hit that nig!
by JesusPotPie August 11, 2006