Female masturbation resulting in urination.
Sheila left a big yellow stain on the bed after she was stirring the 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!
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.
When your shit is burning hot and running and it's almost an orangish-brown type color
"Bro, hand me the toilet paper. I had Taco Bell today so I'm spewing hot mustard all over the fuckin' toilet.
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.
A term to identify white people who have this pale-yellowish complexion on their skin.
“HEY! That lady is a mustard sauce.”