some random shit you'd find on the bottom of your shoe or on the bottom of a desk at school.
by Rental December 12, 2006
(n)Any unidentified and undesirable substance, often crusted onto something you'd otherwise like to wear or sit on. Often found on second (or third or fourth) hand couches or thrift store finds.

(v)When someone screws something up, often in a half-assed manner.
Hey, man, I like your new jean-jacket, but what's that gunk on the sleeve?

When I passed out on my friend's couch after the party, I woke up to find my drool had coagulated with some gunk on the cushion.

Todd was supposed to mail the rent, but he gunked it, now we have a late fee. Way, to go, TODD!

by AnnaBananna July 18, 2006
a load of sperm that flies out of your dick
My gunk landed in her hair.
by No May 9, 2003
a mix of liquids and solids, much like you find on car engines and there abouts
Pass me the screw driver so I can poke out this gunk
by BorisMcHack October 28, 2004
garbage and junk combined.
Asked my roommate to throw out the trash and get rid of all the gunk in the basement.
by gh-unk October 4, 2003
A guy funk. Used to describe a guy acting like a freak or a funk.
That gunk dumped me.
He's a total gunk.
That gunk is hitting on me.
by righz February 13, 2008
Goo} adhered to one's junk, often found upon the grundle or trapped between the nutsack and groin
After urinating, Bill found that he had smeared gunk on the front of his new black trousers.
by Phishn February 6, 2005