The larger cycle of homies. People you dont really know but you greet them at least when you see them.
The Possy will be on your side in a great Gangfight.

When some little bitchboy is acting like a little tiny pee pee poo poo baby and messing up the group plans.

"Possy" is slang for "squad".
Modern uses include reference to gang members following a leader

Well its just like your gang or crew but boys mostly say it when talking about girls

Just Like Posse but more individual and mainly gals

the crowd of poeple that roam around Imene B in the streets of Oakland...