Caută orice cuvânt, cum ar fi the eiffel tower:
In a internal combustion engine when the cylinder is oversized and the piston will rock side to side producing a knocking sound.
Chad's car has really bad pistion slap
de Nobis 29 Iulie 2003
The act of fuckin a loose hoe, whose pussy is so loose a man's crank will slap around in it.
When I was fuckin Cathy i suffered from piston slap.
de Paul Trahan 21 Aprilie 2003