The medical phenomena of a person's breathe literally smelling like fecal matter; a derogatory term for someone whose mouth smells like intestinal waste, or rotting protein.
"Go brush your teeth you little turd-muncher!"
by The Dirty Mouth of the South September 27, 2010
Get the turd-munchermug. by Breezie's September 21, 2005
Get the Turd Munchermug. by Too Tun Tonto July 24, 2016
Get the Turd Munchermug.