The tangy yellow spread secreted from the anus during copulation - often used as a spread on chicken sandwiches.
by John November 13, 2003
The pasty by product of a long days work, and a bad wipe job after a long night of drinking beer and eating too many hotdogs.
by The Tatooed Nail Bender February 13, 2004
A fart that seeps out a little bit of liquid. Similar to a shart, but much less solid. Usually occurs after a heavy night of drinking.
by stanleyroper July 3, 2005
The mix off blood, cum and shit that is often created during anal sex. It's dirty brownish yellow color and thick, soupy consistency resembles Dijon mustard.
by Dan Lyons May 31, 2007
Another way to describe the shit that comes out of a baby, it gets it's name from the color and consistency
by Metallicajunkie October 4, 2018
Wow, Mike, that really sounded like a fart. No, dude, it was butt mustard. I was putting ketchup on my burger.
by Annie Farkle September 9, 2009