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1. noun incomprehensible outcry, aggressive tones. Most notably used by Mel Gibson in the South Park season 8 episode "The Passion".
"Kerpla! Kerpla!
by paintbox October 25, 2009
A positive verbal agreement to a statement. This is seen in 1 episode of south park that features Mel Gibson, and in Team America World Police.
"We need to take down the Facist Americans" .... (large audience) "KERPLA! KERPLA!"
by Levi Heizer October 17, 2005