so what up then

phrase indicating you would like to begin to fight a person
person 1: yeah whatever; you talk mad shit
person 2: SO WHAT UP THEN !?
person 1: SO WHAT UPPPPP !
by krisskidddd September 10, 2009
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So what's up?

To star a fight with a nigga that calls you out.
"Boy I'll drop your ass" said by first dude. "So what's up? I'll drop your ass first." said by second dude.
by BypassStructure April 08, 2017
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