When a woman farts and it has no where else to go but up through the pussy lips.
by Brittaco389 June 26, 2017
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Lesbian; a female who touches her clam to another female's clam.
Chris: "That Katie girl is really hot. I'm gonna buy her a drink."

Michael: "Don't waste your time. See that girl she's with? They're clam clappers."
by Bulldog32 March 14, 2014
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