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.

Any group of girls that aptly fit the term dirty.

Usually see in murderous packs at parties.

another word for the evil stare, mainly used in Australia, New Zealand and also Torres Strait Islands.

In Coquitlam B.C., we call a girl who's, not so clean, and usually very easy, a dirty.

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.

an announcement of territorial domain when leaving a seat. Calling "dirties" will inform those nearby that you will return and that your seat is off limits.

any chick that gives sex. can or can not be hot, but although may not sound appealing, being with a dirty, doesn't make u dirty.