Carload of Farts

A "Carload of Farts" is when you constantly are ripping ass in a car. Hence having a "Carload of Farts," your car is filled with farts.

Ted Pillman sings the classic song "Carload of Farts"

"Hey dude Adam's car smelled like ass man." - Tom
Yeah dude he's always got a carload of farts" - Steve