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1.
A phrase used as a reaction depending on what you have just witnessed and/or heard.

Note* Must be said in a sarcastic manner.
You are at a stoplight and a super skinny 6 foot 3 mofo is walking in a blizzard in a pink tutu.

Your Reaction: "Who Bitch?"

You are in a bar bathroom and you hear in the stall next to you two women talking about the "bullet" that some dude just gave one of them. It turned out to be a vibrator.

Your Reaction: "Who Bitch?"

by Jleigh November 13, 2006
 
2.
1. girls that everybody wants to hang out with, but they have better things to do, like hang out with hotter dudes who look better than you and go whippin it.

2. just regular chicks
by edizzle August 31, 2003