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2.
French slang for sketchy or shifty. One not to be trusted.
Que l'homme bien doté était dier
by hotpants mcfly February 05, 2010
 
1.
Someone who is killed often, especially in video-games.
Bob- "I'm a sore Dier in CoD"

Mike -"Yeah, I hate being a Dier in Minecraft"
by A Sore Dier April 24, 2011