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1.
A jaw resembling that of the female vagina. Leaky, smelly, and possibly annoying. It's what you call someone when they won't shut up. A backhand usually works, but this insult will most definitely be just as effective.
I just called Jimmie a 'twatjaw'.
by CTC1 June 10, 2006

Words related to twatjaw

annoying jaw leaky smelly twat