When you shove your dick into a muffler of a running car and let the exhaust go into your the hole in your penis.
One time I had my side hoe perform a dick muffler on me and my dick was brownish black and throbbing for the next week or two
by Randy Leavitt June 26, 2018

by derk schmittmeister February 18, 2011

by V farter January 6, 2017

When you cup a wad of TP in your hand and cup your butthole while you're sitting on the toilet to muffle your fart sounds. Works like a charm!
by Viking vickers February 21, 2015

by angelaluv69 February 19, 2015

last night at the party i had to act as a twat muffler for my wife in the bathroom because she was afraid people would hear her queef.
by brewmaster2671 August 25, 2020

Did you see Stevie Wonder at the Democratic National Convention? He totally gave someone a Rusty Muffler.
by Kenny Young October 29, 2009
