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1.
A person who is blindly, fanatically loyal to Sony. Will immediately buy anything with the Playstation logo and mindlessly insult anyone who doesn't share their fanaticism, and would proclaim a blank disc with "Final Fantasy" or "Madden" on the face on it to be the greatest game ever made. PStools rival (and possibly exceed) even Nintendrones in their numbers.

See also: pathetic, fanboy, moron
LOL, Madden. Silly PStools.
by Shinigami March 08, 2005
 
2.
(Pronounced: pee-ess-tool) noun

A childish, derogatory term used by anti-fans of the Playstation 3 gaming console or the Nintendo corporation to describe admirers or even just users of the PS3 or PSP. This term is used despite the fact that name-calling has never improved a single industry and any rational person would admit that each of the current-gen consoles have their own positive and negative aspects.
Sally: "I finally picked up a copy of Patapon 3 for my PSP! "

Bobby: "You're just a stupid pstool fangirl! The PSP has shitty graphics compared to the 3DS. Just buy a 3DS, pick up a copy of Pokemon Black, and then you can be a hardcore, uber, bad-ass, gamer like me!"

Sally: "If you want me to be a nintendrone like you why don't you buy a Wii for me you cheap bastard! At least buy me the new Xbox 360 Slim!"

Bobby: "Then you would be a Xbot! I would buy you a new PC but being a couch jockey is the last thing you need since your ass got so fat."

Sally: "Maybe I wouldn't be so fat if you would let me get a new Wii Fit for my birthday. But no, we had to drive for two days to go to E3 this year to see the new Halo Anniversary game. I never should have married a stupid fanboy like you!"
by CheWi June 16, 2011
 
3.
A fanatical, usually rabid fan of Sony's Playstation 2 video game console. PSTools like the PS2 so much because they like generic, boring, pointless violence and/or shitty sports games.
Dan is such a PSTool, all he does is play his PS2 all day.
by BJORN November 14, 2004