Bucking the mustard is basically having diarrhea so bad it's squirting yellow from your rectum like someone's squeezing a bottle of mustard and it farts towards the end. Generally followed by the sound of someone scrubbing the shit splatters off the side of the bowl.
Man, I was up all night bucking the mustard.
Jill: Yeah don't bother coming to work, I don't want what you have.
man: I will call tomorrow and let you know if I am feeling better.
Jill: Okay
Jill: Yeah don't bother coming to work, I don't want what you have.
man: I will call tomorrow and let you know if I am feeling better.
Jill: Okay
by rhonin66 March 2, 2021

A ignorant person that resembles a shrew who has an unhealthy obsession with Easy Mac. Furthermore, they stalk lonely accountants in their vast amount of spare time.
Geez that Julia Hume... her adorable nose reminds me of some slutty pimp mustard i saw on the weekend.
slut easy mac accountant ryan bruce
slut easy mac accountant ryan bruce
by mavt10 June 9, 2011

by xXPAJokerXx January 25, 2014

when a bloke opens his anal cavity and lets out stink air (fart) followed by a huge announcement of making mustard in his pants.
oh man i just saw elias walking down the street and he was TOTALLY making mustard when we made eye contact!
by mcdih April 20, 2025

I thought I'd become a taxi driver bit then got assaulted and now I can only smell mustard, at least I haven't got covid, god bless mustard minge
by Jammy66 August 17, 2021

I hear the meat pie eating competition is on this weekend, and Trac is going to take part. Mate I am keen as mustard to go watch!
by eshayladd01 November 25, 2019

by chinkyman08 May 13, 2022
