Yellow Mustarding
Annoying somebody to the extent that it is no longer funny. Results tend to be less angry and more desperate and confused.
Dude stop it you’re being so unoriginal nobody but you thinks it’s funny, you’re basically yellow mustarding us at this point. We just wish you would stop.
Hot Yellow Ass Mustard
Hot Yellow Ass Mustard: the result of anally straining oneself beyond one's limits then exposing that matter to a heated element.
After we ate the bean burrito we had a farting contest in which Matt pushed too hard and sprayed ass mustard all over the space heater causing it to become hot yellow ass mustard.