1.a person so doucheish that that word does not even even describe them. Hence becoming twat lips
2.The ruffles that surround the pussy resembling cow tongues
Those girls twat lips were so disgusting, i decided to titty fuck her.
{john}you and your wolfmane girlfriend combined DEFINE twat lips.
by Skrillex April 24, 2006
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Cosette is such a twat lip! She sleeps around.
by JAR82 August 22, 2008
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