Seismic vibrations that can be triggered by a powerful fart. Most commonly felt through the floor or couch.
by skintlizerd October 17, 2008

by Skintlizerd December 15, 2008

Thin layer of poop molecules enveloping a fart. Sometimes trapped by undergarment fabric and creating "skidmarks", but often escaping to clutter the environment.
by skintlizerd October 16, 2008
