when your penis falls over your bum hole when your asleep, while you fart, making it flap over your hole like a diesel exhaust flapper
by carnath September 5, 2012

Damn LaRodney word around Wal Mart is you got quite the Diesel Piece, But there is no way its bigger than the singer from Life Alive, He's got a massive Diesel Piece!
by GarethWarren May 8, 2019

by Dr ZackWhatley MD.PHD.MBA.LLM. February 15, 2017

The art of putting a S#!t load of diesel down an hot exhaust and watching the white oily goodness erupt!
by PR35TY November 16, 2011

by 2nd period pandora class May 18, 2010

by Nick_P August 3, 2005

by Skin-Nerd August 8, 2005
