by Fireman100000 December 14, 2018

by ripperMag00s September 30, 2018

When you have anal sex and the women farts during. When the guy pulls out a little poop comes with it and it's very stinky.
by Stinky Muffler October 9, 2016

by Dick davis March 7, 2014

by PapaPedro January 9, 2021

In order to give someone a Monroe Muffler, one must have a sufficiently large potato and one or more willing or unwilling anuses in which to insert aforementioned potato into.
Dayuuuummm! I was just up at R.I.T. partying and this one bitch was just begging for me to give her a Monroe Muffler!
by Explorer1958 June 17, 2013
