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 13, 2009
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walking (aka mucking) through a big muddy area. It can be very messy and you're sure to have fun. Especially when you're in deep sticky mud up to your waist.
After the rain storm, me and my friends decided it would be the perfect time to go mucking by the pond.
by Zolliewa July 12, 2010
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the act of going through misc stuff... usually used or previously owned items that are recyclable.
Hey, let's go muck that bag of clothes before Kevin gives it to the thrift store!!!
by RaininOnUrParade June 14, 2019
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Semen, Seminal fluid, man muck, spunk, jism, cum
I was so surprised when she put her finger up my arse, I immediately shot me muck!
by Minge wetter November 22, 2011
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(n) An anacronym for "Multi User Character Kingdom" or other variations. Refers to a complex, often theme-oriented chatroom environment, similar to a MMORPG only text-based rather graphical and usually intended for online socialization. MUCKs are accessable either through telnet or specially designed programs known as "clients" (i.e. SimpleMU* or MUSHClient) and generally possess some degree of roleplaying.
1. She spends more time on the MUCK than she does watching TV.
2. Dave downloaded a client and registered for a character on the MUCK.
by discountalligator July 9, 2003
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Adjective used to describe in sexual terms what a male is going to do to a female.
by cheesedog June 13, 2006
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a term taylor hall used on hockey night in canada which has never been heard of before.
me and my boy eberle were just mucking some xbox live, hes such a beauty
by hnic2010 December 6, 2010
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