A Dirty is a sexy boy residing in WA state. Always the best in bed, the car , floor, or wherever the sexual intercourse takes place. Gets by in life by mooching. Loves to smoke weed an also sell it. Doesnt think its wrong to hit girls. Also doesnt think cheating is wrong and does it openly and freely.
Boy: You see that guy over there smokin a blunt, he just hit his GF in the mouth!
Girl: a, hes real good in bed, hes must be a Dirty.