Definitions by Hahnhahn

chiliwhack 

verb. when you lock you hands behind your head, spread your feet apart, squat down a little, and thrust from the hips causing your nutsac and dick to flap forward and back from your stomach to gooch and make a plopping sound.

also a city in Canada.

I was chiliwhacking last night in the shower and busted a nut.

chiliwhack by Hahnhahn August 28, 2007