This is either really bad breath, as in, breath that tastes like a butt, or a physical malformation where one has a tongue protruding from one's anus.
Butt Tongue:
"peee yeeew, you've got some serious butt tongue"
or
"anal with a chick that has butt tongue is hawt!"
"peee yeeew, you've got some serious butt tongue"
or
"anal with a chick that has butt tongue is hawt!"
by Bigsby333 July 19, 2016
Get the Butt Tonguemug. by LOLMORTEN August 28, 2006
Get the Butt Jockeymug. 
by John Ll January 29, 2009
Get the Kak in the Buttmug. On June 22nd, 2008, George Carlin died of butt failure in Santa Monica, CA. He was 71. He farted too much.
by VarietyPerson April 20, 2010
Get the butt failuremug. by Shope July 20, 2008
Get the front buttmug.