1)Slang term for vagina, a shortened version of 'muck hole'.

2)The substance that oozes from the 'muck hole' when you rub a woman the right way.

3)A slang term to describe women in general.
1)"I was with Ella the other day, man she's got the tightest muck ever!!"

2)"I was rubbing up her pussy and got muck all over my hand!!"

3)"I was down at the mall the other day dude and there was plenty of good looking muck walking around!!"
by McFucko May 26, 2004
Similar to that of mung. Muck however, is the putrid projectile coming out of a deceased mans member (penis) after a violent stomp to his lower abdomen.
The name formally originated when two teenage girls attempted to “Mung” a deceased woman. However the name on the tombstone was androgynous such as the name “Pat.” To their surprise they were about to “Mung” a man. While one of the teenagers stomped on the lower abdomen, the other teen’s mouth was on the ripe decaying penis. She then gargled out the substance and uttered the word “Muck.”

Girl 1: "Howd that taste"

Girl 2: while gargleing the substance "MUCK!"
by Whatureppdunn July 08, 2009
To make unskilled or experimental efforts with intent to repair, research, or refactor something. To tinker; to fiddle.
Quit mucking around with the login page, Jeff! If you break it, how are our users going to find the free pornography?
by teh.intarwebs February 02, 2008
Irish slang for something bad like taste or smell.
Whats your favourite drink?

Ah mines Guinness all the way.

Augh I cant drink that muck, gives me the shits.
by womoma April 15, 2005
1) To make out.
2) to fuck something up royally
"Holy fuck dude.. you should see the whale you mucked with on the d-floor"

"hey did we muck faces last night?"

"dude... you mucked er good"

"ah fuck.. you mucked that one up good didn't you"
by chucknader December 09, 2009
a unique replacement for the non-sexual meanings of the word 'fuck' that sounds really cool. also, mucked, mucking
1: What the muck are you doing? I'm really mucked now.
2: You don't wanna muck with me, buddy.
3: MUCK! I'm stuck on this mucking level!
by Hand Hanzo August 11, 2005
An ugly girl who typically looks like she has been hit by a bat. Usually a UH student.

PS watch out for the MUCK Police and if in doubt it's always MUCK.
*Walking by an ugly UH student* MUCK!
by john deere the third September 20, 2005
in poker, to fold your hand

The muck pile is the pile of discards. Once your cards are in the muck, it's all over, baby.
"When that guy raised, I figured he had the nuts so I had to muck."
by Joe Bone March 11, 2005
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