Rusty muffler

When you’re doing anal and the person receiving lets out a big fart around your dick

I was banging this chick in the ass last night and she had bad gas. Gave her the ole rusty muffler

by Bodacioustatas69 January 21, 2022

John Muffler

A dude who be muffling johns, aka suckin dick

"Shut up Sam you just a lil john muffler"

by Nopyyy February 2, 2024

Weenie muffler

Someone who likes to sniff the shit off of someone’s penis after they did it with a guy that had shit on his butthole

Guy1 - Wassup bro what did you do last night?
Guy2- Nothing Much.. just had a threesome last night and one of the guys was a weenie muffler.

by TheUrbanKing444 May 1, 2025

boomer muffler

a overly loud car, by use of the muffler being deleted usually only driven through urbanized areas and never raced.

man, im getting really sick of all these losers with their boomer muffler. im trying to sleep.

by n o i October 7, 2021

(O)Possum Muffler

When a vehicle lacks a muffler, or is otherwise intrinsically obnoxious or obnoxious by virtue of its owner, and vigilantes or society at large decide to tie the carcass of a dead opossum to the vehicle to display distaste for the vehicle or its driver.

"F--- that guy, if he declines his engine in front of the house again, he's getting an (o)possum muffler."

"We gave the Purple Avenger a 'Possum Muffler."

by (O)victim June 22, 2025

Boston Muffler

When you're penetrating someone anally and they fart, creating a muffler sound.

Brian "Did you go give it the chick you met at the bar last night"

Tony "Yeah, I gave it to her from behind. She even gave me a Boston Muffler. The vibration was amazing"

by ItsPseudo October 5, 2017

Mississippi Muffler Shredder

The act in which a hillbilly from Mississippi steals a hot muffler from his neighbor’s running car and uses it to violently circumcise himself.

I think Bill pulled a Mississippi Muffler Shredder instead of going to a regular doctor.

by Lord WizarD III October 30, 2020