Referring to gang activity
Generally illegal.

You stink, you smell bad

throw up your gang sign or tell what "hood" your from

What you say when you are walking down the street or hall with your buddies and you see a hot chick walking in front of you while checking her out.

This phrase is said when you meet a deaf man and/or woman and they decide to throw up gang signs.

A phrase commonly used in clubs, when someone wants to know if someone else is going to have sex with a person they might have mentioned, etc.

Usually said quickly and repeatedly to annoy or intimidate someone. Derives from a pop song.