A cushy office seat designed to muffle your farts
Nobody can hear me farting in my cubical because I have a pretty good muffler.
by skidmarx88 April 14, 2011

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Top Definition
The. Muffler is the act of stuffing a girls panties into her anus, while she is asleep, leaving any air that escapes her anus, muffled.
" That drunk slut passed out after a hard ass pounding, so I couldn't resist giving her a nice muffler, her tiny little g-string fit right in her gaping hole"
by BBawesome August 20, 2011

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A very hairy pussy
Yo dude, you see the size of that muffler on that broad??
by Keegs February 11, 2004

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A device attached to the muzzle of a firearm to muffle the sound of firing.
My hood, illustrious; marvelous rap, screw-on mufflers. -Raekwon
by Megabruh June 05, 2010

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The process of preventing your female partners orgasmic groans from becoming too loud by applying another females genitalia to her mouth, hence muffling the moans.
- "Darling we've had noise complaints from the neighbours about your orgasmic moanings, how about we ask your twin sister if she'd like to do a spot of muffling?"

- "Dude, my missus is so loud when we get it on that I have to apply a muffler, which is pretty much a win win for me!!"
by Stu-muffler November 12, 2009

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A man used as a cover for a lesbian. Think of it as a buffer for her carpet munching tendencies
Your dad is a real muffler, eh?
by irascio December 14, 2007

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A person (male or female) who intentionally or unintentionally stops the progress of one woman getting some pussy from another.
I was about to get some of that fine ass pussy over there until Paul came up and started talking about Star Wars again, he's such a muffler.
by Amanda Likes It That Way November 05, 2008

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