kicking one's ass, referring to the action of jumping and attacking in the game Super Smash Brothers.
AKA: MEGA RAPE
Fox and Mario enter, Mario is the only contender left...
Mario: "I just B upped yo ass"
by jtwh310 June 14, 2008
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Sometimes used for blaze up (smoke).

Like it if you want, some people say it.

Most of the time used on statuses for stuff like aim, msn, whatever.
Dave's status: AFK... b up
by Felonblazer March 1, 2009
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A short form of the word "break up". Often used on messaging over electronics because of the laziness of a person.

luke: dude i can't believe that she b-up with me
robert: don't cry. it's weird.
by RYANNN. April 20, 2007
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Short for casual button up shirt. A style that can be worn for most occasions.
Her: You look nice today.

Him: It’s just a normal cas-b-up.
by TheDon27 December 20, 2017
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bloods up crips down- bloods killin crips
b's up c's down c's upside down
by jamin19 January 25, 2008
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bloods up crips down- bloods killin crips
b's up c's down c's upside down
by jamin19 January 25, 2008
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to say that you are going to go home
I'll see you guys later, I am going to hoist up the john b's sail.
by bgomez August 20, 2006
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