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31.
May also be called Multi User Collective Kingdom or Multi User Construction Kit, depending on who you ask. The most common is Fuzzball MUCK, an open-source project. Two popular MUCKs are Tapestries and FurryMUCK. It is a text-based roleplay environment simmilar to a MUD but without the requirement to kill things and level.
Kevin has thirty-five alts on Tapestries MUCK.
by foxmajik October 28, 2004
 
1.
Ugly beyond all reasonable doubt.
That booty claps, but she fuckin muck!
by Z money cash $ fast $ slow $ September 12, 2009
 
2.
(v) In poker, to return your cards to the dealer without showing the other players. Differs from fold because folded cards cannot be shown during play (forced muck). Muck implies choice.
He mucked his cards so I couldn't see if he was bluffing or chasing.
by Coell May 12, 2005
 
3.
Universal verb for any action

To muck = to do
This guys muckin jeans and a hoodie.
Lets muck McD's before we muck outta here.
Its friday, course we're muckin Winston's tonight
by emmber March 20, 2011
 
4.
verb - To be on pills of any kind. usually ecstasy
John: Weren't you muckin that day?

Tom: Yeah, it was fun.
by contagion; September 12, 2009
 
5.
mucks is another word for magic mushrooms. and mucking is to be on them.
ex. those are some tastey looking mucks
ex. holy shit, i'm mucking.
by EssTeeEye March 05, 2005
 
6.
to do something
" muck that chew kid"
" just muckin some box"
" lets muck that za"
by the mucker June 29, 2009
 
7.
to screw up
he mucked up his driving test.
by TerMInaTER September 05, 2003