Top definition
Ejaculating onto someone, and then immediately defecating on the person.

Mudbrick wall: A team of people ejaculating and defecating in order over and over, creating a wall of feces.
"Dude, I totally jacked it on this girl, then I had to crap, so I turned it into a mudbrick."
by C.M.C. April 09, 2007
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2
"What!? When did this happen?"
"When you were in the bathroom makin' mud bricks."
by SeanG October 11, 2006
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