Colored Side walls on Tires.Mustard is defined as the yellow sidewalls, Mayonaise is defined as the white side walls. Together they are refered to as Mustard and Mayonaise, refered to by hip hop artists in Vallejo, California
by Los of Vallejo April 5, 2004

The yellowish liquid that comes out from an upside down mustard bottle right before you squirt mustard onto a food item. Usually groans can be heard from the squirter indicating that mustard pee came out of the bottle instead of mustard.
by Cannibalporsche July 3, 2011

Vaginal discharge that a woman gets when she has caught a bad STD and doesn't bathe or get treatment for months.
by Defcon One January 12, 2009

So Eliza have you heard of mustard plug?
Omfg they are the best band ever..we are going to the concert right?
HELL YEAH
Omfg they are the best band ever..we are going to the concert right?
HELL YEAH
by hottnes March 5, 2005

by Mikey herman 🎅🏿 November 13, 2018

by Adam Sin January 13, 2008

When a farmer squeezes a lemon above a women vagina and the juice stings the women and causes a burning sensation.
by KatelynLovesKurt June 13, 2015
