Those nasty, ghetto, slutty chicks that block up the halls in your highschool. When you try to pass them you feel like you need a shower to sanitize yourself of the drugs and herpes that you were just possibly contaminated with. Usually characterized with big, baggy sweatshirts or hoodies and jeans with slits passed 5 inches up the side of the leg.
The bottoms of beers left over after a party, generally consumed by the first person to wake up from their stupour, desperately searching for a fix of booze, no matter how dirty.