POSM 

(pronounced possum) Piece Of Shit Mother

You know that POSM is still in her club clothes from last night checking her kid in two hours late!

POSM by XtinaNOLA December 3, 2015

posm 

owned by cg

immigrant>posm

posm by Anonymous July 5, 2003

posm 

Term used by white-trash and red-necks to describe thier truck or car. Not used to refer to a truck or car that is on blocks or parked in the weeds near a mobile home or out house.

Sorry I didnt make that run down south with ya to get them there raccoons, but the posm went down with a bent rod.

posm by Santana January 27, 2005

Posmic 

Acronym; pronunciation; like cosmic. That painting is very posmic.
Inspired by observing the Heavens. Cosmic themed.

"Your shirt is posmic."

Posmic by 1Truth September 18, 2014

posmf

abbreviation for piece of shit motherfucker

NHL 09 is so frustrating. what a posmf

posmf by burgerking89 July 7, 2009

Posmfer 

Piece of shit mother fuckers

That posmfer just back into my car!!!!

Posmfer by Fast Eddie June 30, 2015

posmosis 

The passing of positivity from one to another.

Infectious positivity.

She was a very positive person, and via posmosis, her peers became positive too.

posmosis by RAHFC March 25, 2022