Formed from 'mucking out' or cleaning the poo from livestock dwellings.
However, more modernly, it is in reference to laying the hammer down on a big babe's butthole. Hence, cleaning the poo from her balloon knot.
Me: Goddamn it, Bernice is lookin good over there.
Friend: you won't muck out her asshole.
Me: you think I'm scared to muck out Bernice? Fuck you pal. I bet I could muck her out so hard she loses 5 lbs... Then I do it
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The grotty sludge that hardens to a putrid film on the botttom of a coffee mug when left on your desk for a few days, or weeks.
Look at the filthy mug muck that's formed on that lazy bastard's coffee mug!
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1.)When one is so hammered that they may not remember their name or what is transpiring.
2.) some refer to work as muck city because of the business.
im tryna take a trip to muck city tonight!
this is the capital of muck city
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Someone, usually a marsupial, who enjoys ramming their hands up other people's asses, all the way to the knuckles. This will of course cover the assailants hand in muck, leading to the obvious name
Bryan Jones doesn't care how old or what sex you are, he will jam you up the pooper hard, he is known as THE Muck Knuckler.
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A term for sweaty fat white girls with an incredible sense of humor and they blow on their nails all the time because they know they're flawless as fuck
Daaaamnnnn did you see that bitch?! She's muck buck as fuck!
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having anal sex without douching first so you ram your cock into a wall of shit in her/his ass
hey did you fuck that bitch from the bar last night?
no she had a shit fetish so she wanted to muck fuck
D:
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