To fart, to cut the cheese, to break wind, etc.
EEW! You just crepitated in my face!!!
by Ninde February 08, 2005
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