Top Definition
poor white trash loser bums that dig in garbage
look at that dude he is a pooster he is in the dumpster
by David Kravitz December 03, 2005
1 more definition
A person who regularly posts crap (poo) on forums
I knew Jack was truly a pooster when I saw his latest poost on our forum.
by Squidburger September 17, 2008

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