Mudbox.

The woman in white wiped back to front ,she like that of a mudbox had shit stuffed in her cunt wipe back to front and get a mudbox as she performed mudbox.
by Barry bones February 16, 2018
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mudboxing

A more appropriate phrase for the act of inserting ones penis into ones bumhole.
What did you do last night?

You know... Just a little mudboxing to past the time.
by Mr Noice Guy April 09, 2010
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mudbox

An alternate word for Butt Hole

booty
anus
back door
ass hole
by Steve22222 October 16, 2007
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