A term used when one is getting ready for a "slutty" party (i.e. Halloween parties, lingerie, etc.). Resembling "suit-up", to "slut-up" is preparing for action. Ideally it is the "outfit" with the least amount of clothing.
Slut-up! We are going to a Halloween party!
by CKJONPLASCENCIA November 3, 2012
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any girl in a club or bar, or any girl in general that looks as though they are somewhat intoxicated and they are wearing a sluts uniform.
"hey alex who are those chicks over there"? "There just some up for grab sluts"!
by gpchris93 February 10, 2008
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variation of "what up mate" or "whats happening dude?"

(see: slut up)
Joe: slut up cunt?
Grandma: nuttin much mofo
by j0n June 30, 2003
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it's what you say to them stuck-up bitches who won't put out.
Girrrrrrl: "I can't, I'm here with my friends."

Bro: "Slut Up or Shut Up, girl!"
by Dikembe Mutumbro February 3, 2011
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