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.
A police officer’s ticket book or clip board used for holding citations or other papers
“Grab my posse box from the back seat”
To get really drunk or giddy and back flip into bins or other objects.
"Danielle had a right poss up lastnight, went fully hype"