When you take humongous hits out of a bong, pipe, blunt, or joint and swallow it without choking or coughing !
Sam : *Takes a bong rip , milks it then swallows it*
Isaiah: Damn bro you got muffler lungs !!
by ChiefDub November 25, 2015
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The act of creating a new open during anal sex that allows the free flow of gas during the festivities.
Lady: What would you like to do for our anniversary?

Fran: It is a special night, we could try muffler stuffing.
by Mufler1128 October 24, 2020
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When you fart while some is eating your ass, you make their lips vibrate on your butthole.
Katie was talking too much so I gave her a muffler vibrator.
by Nikki N Curtis September 18, 2020
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Worn by women who are embarrassed about queefing in public.
I couldn't stop queering so I bought a muff muffler so that no one could hear it.
by V farter January 06, 2017
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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 05, 2017
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When two vigorous women are frantically siscoring this action results in aeronautical exploration and finally, climaxing sexual transcendence.
Lynda and i did the amazonian muffler yesterday and the climax was so orgasmic
by amazons March 09, 2015
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A DISMALLY LUBED "CONTACT PATCH" THAT A GUYS NAIL CANNOT PENETRATE DUE TO BEING DENIED ENTRY BY THE HAG/IT -
NO SQUEEKY CREAKY GOINGS ON TONIGHT COZ MY BABES GONE WITH FLUFF MUFFLER -
by NAIL BANGER May 18, 2018
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