A dick so long and thick that when you sit, it tucks under your butthole thereby muffling the sound of your own fart.
While in the weekly Wednesday meeting, Travis was thankful for his big ole Fart Muffler because no one was able to tell it was he who in fact, dealt it.
by Pot sticks June 7, 2022
A term used to describe an annoyingly loud and unusually large cannister muffler installed on an automobile. The described is usually seen at the rear of the vehicle. Typically seen on Asian automobiles, although rare sightings have been seen also to be installed on a domestic vehicle. The owner is a self-proclaimed "tool" who just needs to "cut that shit".
by BBRX8 November 1, 2009
The act of holding toilette paper over the rectum while passing gas in a public restroom stall in order to conceal the noise of flatulating.
Because the ladies room was full, Erin used a fart muffler to conceal her true intentions in the stall.
by SKN December 8, 2006
Underwear, undergarments.
by victorzulu November 27, 2010
by SAN2LAX March 9, 2005