1 definition by Lucky_Zucky

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.

by Lucky_Zucky September 25, 2008
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