look up any word, like blumpkin:
 
1.
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
58 24
 
2.
A very hairy pussy
Yo dude, you see the size of that muffler on that broad??
by Keegs February 11, 2004
55 44
 
3.
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
13 6
 
4.
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
23 16
 
5.
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
30 26
 
6.
Something that shouldn't be loud.
Ricer: Oh yeah I just got a loud muffler for my car so people will think my car is cool because it has a loud exhaust but I'm too poor to afford a real powerful car!

Me: ......You're an idiot.
by Kevin Esser February 25, 2008
27 24
 
7.
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
9 6