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When two fat people are gettin' it on there's the sound of their fat clapping against one another hence the name fat-clap
Joe:Why you actin' so wierd today jeff?
Jeff:'cause last night it was my parents annerversary and i could hear the fat-clap commin' from their room, it was disturbing.
by Mr.Trips ( jacob barile) November 28, 2007
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