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(noun)peice of shit diamond star motorsports. DSM's are notorious for breaking down every tuesday, or whenever you start them.
"I was fired from my new job because my POSDSM broke down again."

"My g/f got gangbanged by five black guys because my POSDSM steals all my monies."
POSDSM by kobykris November 2, 2007
Related Words
POSDSM posd posda posdg posdog posdom POSDWTC
1. a very very very very VERY bad joke
2. something that one speaks when it least fits the situation
saket sharma is known throughout the college for his posdas;saket sharma is the posda king
posda by tari paaji October 14, 2011
Abbreviation: "Piece of Shit Diamond Star Motors". A direct reference to the tendency of DSM's to break down.
I couldn't afford an EVO, so I'm stuck with this POSDSM.

I got busted with 10 keys of coke because my POSDSM broke on the freeway.

POSDSM by Lucky_Zucky January 13, 2009
person 1: oh my dog is such a piece of shit. person 2 oh you should call him a posdog.
posdog by User139575 October 5, 2020
Short for "Positive Domination"

Positive Domination: A fetish meme and practice that attempts to empower, enrich, and enlighten it's practitioners through physical exploration and the practice of Positive Psychology techniques'.

Uniquely Posdom, focuses on maintaining and improving the mental and emotional state of the practitioner. Positive Domination holds that Psychological harm is as real and often longer lasting, than physical trauma, often occurring through BDSM practice.

Conceptualized and propagated by Purrring Tiger, the original Positive Domination Engineer. Made Public by way of www.fetlife.com 2016.
Posdom, the progressive, optimistic, positive alternative to BDSM.
posdom by PurringTiger January 5, 2017
An acronym used to denote a clan that uses cheap tactics. Piece of Shit Dirty Whore Tactic Clan.
POSDWTC by Cheerio February 23, 2003