Top definition
To enter ones contents of the bowels in to the bog. i.e. have a fucking good shit
I'll be gone sometime im off to the shitter for a muck out.

Dont go in their it stinks i've just had a fucking good muck out.

Wheres the bog, i need a muck out.

Your fucking cat has just had a muck out all over the fucking floor.

Look at that dog its having a nasty muck out, and it fucking stinks.
by Cunts November 03, 2006
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Jun 17 Word of the Day
Someone who is possessed by clout chasing. The original human is now gone and a demonic entity that feeds on clout is all that is left. An empty shell with no control of their actions, forced to blindly react to situations they think will bring them attention.
Soundcloud Rapper: Check out this link, realist in the game!
Social media feminist: Women have a voice!!!! #Brave
Normal Human: SHUT UP CLOUT DEMONS!!!
by DebSlave June 03, 2018
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2
'Ive just had one hell of a Muckout'.

'Someones had a Muckout in there, it stinks they have proper smashed the fuck out of trap 1'.

MO = Muckout, 'Dont go in there ive just been for an MO'

'What a Muckout, someone better call a plumber'
by BenJ1111 January 03, 2010
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3
the transition between making out and fucking
Johnny Godeeper: "I made it to the muck out bro, but I didn't go all the way."
Melvin: "What's muck out?"
Johnny Godeeper: "It's like when you run from third to home...and the pitcher tags you out."
by esposed July 02, 2010
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