by Pro gamer3802 February 15, 2023

When a foot fungus goes unchecked and starts secreting a strange yellow substance. That substance is called foot mustard.
by Aria Stormshine June 14, 2016

Mustard pee- That undesirable yellow liquid that comes out first when you are really expecting mustatd and usually makes your sandwich soggy
I made a sandwich in the middle of the night. I wasn't awake and forgot to shake the mustard so all he got was mustard pee that made his sandwich all soggy.
by IvyDana55 August 27, 2017

The act of receiving, or giving fellatio whilst the penis is covered in America's finest condiment (mustard).
There I was, minding my own business next to the concession stand and this girl told me she was going to blow my mind. She whipped out the ole French's Classic and gave me the best mustard job I've ever had.
You guys will never believe this. The hot brunette at the party just gave me a mustard job in the back room.
You guys will never believe this. The hot brunette at the party just gave me a mustard job in the back room.
by Bunzlaw December 13, 2019

by Heybhabie April 18, 2020

by I_love_anime_ March 19, 2018

"Bro, hand me the toilet paper. I had Taco Bell today so I'm spewing hot mustard all over the fuckin' toilet.
by somebodythatyoudontknow June 2, 2018
