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.
November 03, 2006