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To fart, to cut the cheese, to break wind, etc.
EEW! You just crepitated in my face!!!
by Ninde February 08, 2005
To snap, crackle, and/or pop.
My Rice Krispies crepitate every morning.
by gofishgo January 16, 2007
To make a binderfender. To flap your cheeks.
Lord Windemere and Paul Boomer once had a famous crepitation contest.
by Bumkicker Slade May 11, 2005