A very good band. They formed in 2015..They're in an indie band who make something they describe as "Zest Pop". It goes from rock, jazz, surf, funk or bossa nova. Very good band, very recommended. They have two albums, "Zest Pop" and "C'est la vie."
by zakkattak May 17, 2023

A used condom replete with fluids, typically found on the ground in outdoor "parking" areas frequented by couples.
We were strolling in the park down by the lake, and right there on the ground were many packets of lakeshore mustard glistening in the moonlight that we managed to side-step.
by vizetelly June 27, 2018

Concrete Mustard is the mustard at the bottom of the Masterfoods Mustard Bottle that won't come out
Either that or just a really dense retard called Matt. He, is concrete mustard
Either that or just a really dense retard called Matt. He, is concrete mustard
by biggay101 April 18, 2019

by YOONKA July 8, 2020

by Jazz Speller November 1, 2017

Bum mustard is the creamy result of having someone ejaculate during anal sex. It is yellow in colour and has a thick creamy consistency.
by Survivor bear August 12, 2016
