Unfair and dirty. Or just really dirty. Like, if somehow you manage to trip on your front steps and break every bone in your body. This would be considered dirtst. Dirtst is also a good word to use when describing someones personal hygiene habits.
Greg: So then, Tim trips and breaks every bone in his body
Kyle: Thats dirtst.
Joey: I'll say.
Will: Does he still have that "Stone Cold"?
Josh Bickle hygiene is comparable to dirtst.