Bum mustard

Bum mustard is the creamy result of having someone ejaculate during anal sex. It is yellow in colour and has a thick creamy consistency.

I came and when I pulled out there was bum mustard all over!

by Survivor bear August 12, 2016

foot mustard

When a foot fungus goes unchecked and starts secreting a strange yellow substance. That substance is called foot mustard.

Dude, get a doctor to check out your foot mustard situation, it's seriously gross.

by Aria Stormshine June 14, 2016

Mustard Fish

Stinky vagina typically resulting from an STD or yeast infection.

Mike went down on Sarah and his upper lip smelled like mustard fish fir two weeks.

by Alpha1Romeo2 June 8, 2016

crab mustard

When you're about to nut so you lift up your hoe's wig and cum on her bald cap and put her wig back on.

I just gave this dirty hoe a crab mustard.

by Crab masta January 2, 2017

Mustard Doggin’

When a guys penis is in a girl and she pees all over his penis.

Sophie I just went Mustard Doggin’ today !

by Heybhabie April 18, 2020

mustard sauce

A term to identify white people who have this pale-yellowish complexion on their skin.

“HEY! That lady is a mustard sauce.”

by YOONKA July 8, 2020

mustard on a knife

When u shit on ur cat

Shaquille o’Neal: oh damn I done shitted on my cat again.
Kobe Bryant (from heaven rip homie): damn that be the mustard on a knife my dude

by TheReturnOfSusFather October 13, 2020