An informal or abbreviated name for opossum.
Wow! Look at this cute baby poss!
A group of older people.
the older guys at the department are the prune juice posse
the group of people who don't shower, and are fond of racing and cars.
Joe and the rest of the stinky posse showed up at the pub after the dirt track race.
The Poss head is a manikin head (often used for wigs) that is possessed by an evil entity. The Poss head's purpose is to posses people and be the new host of their body. This entity is a nothing but a myth as it hasn’t been proved to actually exist. The word “Poss” is short for possession and “head” because it’s a manikin head.
Momma! I saw the Poss head in your room last night! It’s eyes were glowing red!
1. When a group of guys do something crazy or stupid together making it look cool. Similar to the cheerleader effect.
The posse effect makes jumping off a bridge look cool.