someone farts and it leaves a litlle residue but mustard when you fart and have to wipe yourself or think you have to check your underwear you spit but mustard
a wet fart, or a drippy fart, or a nasty squirting fart,any fart that leaks more than air
"someone farts and it leaves a litlle residue but mustard when you fart and have to wipe yourself or think you have to check your underwear you spit but mustard" What is the definition of "but mustard"?