a person who games (or plays games) excessively, to the point of ignoring professional and social responsibilities or who becomes plain annoying.
"Renzo, stop playing Mafia Wars. You're such a play baby."
by sayewhat March 25, 2010
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Baby play is an adult sexual deviant whom gets pleasure out of being treated like a baby, both phsyically and mentally. Such as: (soiling diapers and being changed, being breast fed, goo-goo ga ga talk, wearing bonnets, pacifiers, holding a rattle etc.)
Dude, I walked in on Kirby and this hooker! She had him sprawled out on the bed changing a shitty diaper he was wearing! Kirby is into baby play BIG TIME!
by KC the gawd March 17, 2008
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