Someone who has a habbit of doing larger than average poo's in a toilet and hence the toilet ceases to function afterwards.
Dude 1: "Don't go in there in man! The toilet is screwed"
Dude 2: "Ergh yeah someone has done a huge myaanh in there!"
Dude 2: "Ergh yeah someone has done a huge myaanh in there!"
by Mcdoogle88 November 21, 2010