Sloppy shit! The kind that runs down your trouser leg if you lose control. Usually after dodgy seafood, or meat with a slight 'oh that tasted weird'!
by Klaus October 19, 2004
by Terrance McGillicuddy November 01, 2010
by Brooklyn mmary February 24, 2018
by Dubz-BlowUpYoHead May 13, 2011
The same concept as the "wet willy," except instead of sticking the finger in their mouth, the attacker first sticks their finger in their bum
"I was sitting in my room the other day when I thought my brother gave me a wet willy. It was only after i smelled something putrid did I realize that it was really a Muddy Matthew"
by Muddy Matthew December 23, 2015
by All Bets Hedged February 17, 2020
by pallet187/NsZ77 May 27, 2013