Another term for bitch or cunt. A girl that is rude, mean or stupid.
1: "She said some pretty bad shit about you last night"
2: "That girl is such a whach"
by Fuckyface May 26, 2009
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Whach means anything you want it to. It’s such an amazing word. Literally put it anywhere in a sentence.
Bro, that football is so whach. (Cool)

You’re so whach at basketball. (Good)
by EE the GOAT February 3, 2021
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