Mud Shark - A white girl who enjoys coitus with black guys.
(verb) to yark or yarking - the act of a white girl being attracted to black guys, usually resulting in coitus.
Shut up you stupid yark.
Amanda has really taken up yarking after her break up with Todd.
Can you please yark me now.
As an adjective: Your extreme degree of yark makes me hot.
As a noun: My favorite toy is yark.
As an adverb: My sllab is so itchy that its beyond the yarky mark.
Bry: I know right , I want her to be my bestfriend !
Steven: Your not cool enough to be her bestfriend shes on another level like me ...
Also, yark is expelled out of the male penis at the point of orgasm.