A particularly strewn-out bowel movement in which the end result can resemble a long wriggling worm. It can also form what appears to be a "Mr whippy" in the bowl.
Sanjeet: "Mate check out this brownworm, definitely going on Ratemypoo"

Dave: "You're sick"
by raebylzzirGrizzlybear August 9, 2011
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