mung 

I heard trumpet players in the band refer to this as what remains in the horn after the spit valve has been emptied, i.e. a thin coating of hardened or coagulated saliva that builds up. Could also apply to other brass instruments and woodwinds.

You're getting out of tune. That thing must be filled with mung. You'd better wash it out.

mung by tralbry October 4, 2011

mung 

Any filth or secretion that can be oozed from the body excluding excrement.

You have mung stains in your underwear.

mung by Julzfin August 12, 2005

mung 

the algae, seaweed, and miscellaneous unpleasant plant matter found in lakes or the ocean; a common term among surfers.

Dude, I got mung in my wetsuit while I was out today.

mung by MrEff May 25, 2007

mung 

another word for the flegm left on your teeth when you have gone a long time without oral hygiene.

Jimmy forgot to brush his teeth and got his teeth covered in mung

mung by Julian Stacey July 18, 2008

mung 

The vaginal fluid that comes out of a womans genitals while pregnant.

Pregnant women need to change their underwear often so the Mung won't build up.

mung by tawm jawnz March 16, 2009

mung 

Slang: To destroy someting or screw something up really badly.

"He munged that up pretty good."
"The CD was absolutely munged."

mung by Eli D September 15, 2005

mung 

Word made up by the southpark characters meaning to push on a pregnant womans stomach

Yo, lets go mung that bitch so her baby comes out small.

mung by RustyMosquitos September 26, 2005