Fuck Mustard 

A description of several-day-old semen residue found typically in a male’s unwashed boxers; sometimes found on toilet rims, walls, the ceiling; always found on farm animals

“As you can see, this involuntary celibate atheist weeabu hasn’t left his basement unit in 42 years, made evident by a 10x7 inch mound of moderately radioactive, dandruffy fuck mustard. God may be all-loving and powerful, but he for sure fucked up when he made this guy.”

Fuck Mustard by Dumpster Choir February 10, 2021

honey mustard 

greassy sweat that builds between your nut sack and your thigh.

hey dude smell my honey mustard. yummy!

honey mustard by Master Bytr October 10, 2004

monkey mustard 

when some one is talking shite, you say this phraise. it works, trust

1) sorry mate your talking crap, its all monkey mustard to me

2) your tlking monkey mustard

monkey mustard by nink, gandalf, and razor September 4, 2004

Butt Mustard

A fart that seeps out a little bit of liquid. Similar to a shart, but much less solid. Usually occurs after a heavy night of drinking.

When I farted, I thought it was okay, but then I felt the butt mustard squishing between my cheeks.

Butt Mustard by stanleyroper July 15, 2005

PC mustard race syndrome 

A person who thinks the PC is the best of all and brags about it(which can be) and refuses to try out other consoles.

Robert: dude, the PC master race is the best!!!!
John: i think you have the PC mustard race syndrome

PC mustard race syndrome by Pussy_Destroyer69 March 7, 2016

flip the mustard

there are many definitions for flipping the mustard; the most popular being to laugh so hard until you pee. Also, to flip the mustard can mean to grow angry and throw a fit, or conversely to have a startling revelation/epiphany which makes total sense of a previously bewildering topic. In addition, it can mean to literally flip the mustard container on your dinner table.

Did you see that? I think I just saw Jack flip the mustard!

I'm surprised we haven't seen John flip the mustard yet...

Man, David's being quite the @^$*(&# lately... he flips the mustard quite often.

flip the mustard by Bobby D. Awesome June 19, 2011

Arse Mustard

Yellow runny Poo that burns on the way out like mustard a result of a bad curry or food poisoning.

I have just had the worst crap and it burned on the way out and looked like the curry as it went in Korma yellow it was Arse Mustard

Arse Mustard by Arse Mustard May 19, 2009