MUSTARD is an abbreviation meaning Moo U Shit Turd, Also Rat Dust. It is a secretive way to call someone a cow, a shit turd, and a dusty rat.
Omg she is a MUSTARD
by Banana_Human August 12, 2020

by JoSé February 18, 2005

A tangy sauce often put on hotdogs and hamburgers. Called mustard because it is in fact the same color as mustard
by Habeus February 17, 2005

by wholewheat December 31, 2020

by FuCKYou November 12, 2003

A mixture of one's urine and feces.
by footlicker April 12, 2011

by AidanG September 6, 2005
