1. A mechanism put on cars to lower the intensity of the sound otherwise produced.
2. One who engages in licking a woman's vagina.
3. Quite possibly THE most fun word to say in the entire english language.
1. I took off the muffler on my car and now it doesn't sound like some pussy owns it anymore!
2. (some things are better left unsaid).
3. Say it like you mean it. Muff. lir. Muffler. MUFFLER!!!!!!!!!!!!!
by dragonlordsals July 19, 2004
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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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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
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slang term for cigarette, widely used in arizona.
(due to it's stricking resemblemce to a muffler, complete with the smoke exiting.)
"after i was finished making love to the prostitute, i fired up a muffler and sipped on some zinfandel, with a smile."
by Cosmo S. February 16, 2006
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When someone is tossing your salad and you fart in their mouth.
Then say: "Boom... Muffler!"
by dspinner January 24, 2005
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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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When in a public bathroom one takes a wad of toilet paper (shit tickets); and holds it over ones asshole to hide the explosive fart and or shit that is about to rumble the bowl.This act can save one much embarrasment especially on a first date or while visiting the in laws at their tiny camper.

Be cautious a muffler may be a bit messier than the standard crap, but may be used in emergencies with guaranteed results.
ex 1.)*noun - Once in the bathroom,I decided to use a muffler after holding in that fart the whole way to his apartment.
ex 2.)* verb - Joe put a muffler on his tailpipe so his mother in law would not be offended by his morning dump.
by Juliagoolia August 20, 2005
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