Top definition
An individual so addicted to a game, (usually Massively Multiplayer Online Role Playing Games (MMORPG's)) that said individual will take a piss in an empty bottle, rather than spending two minutes going to a toilet because he is affraid to get killed in the game.
Bottle pisser: Oh man I got to take a leak, but I'm in this dungeon. What to do?

Sane person: Just go to the toilet man. I'mm sure your character will survive for 2 minutes. It's just a game.

Bottle pisser: Nah I'll just take a wee in your empty beer bottle.

Sane Person: OMG YOU'RE A BOTTLE PISSER!
by Tom Oosterbroek January 08, 2007
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