Top Definition
When you're too fat and out of shape to even play a game of darts, that afterwards renders your arm sore and useless.
Damn, that crazy best of three last night gave me the dart arm.
by ltschmellt November 16, 2007
2 more definitions
the inability to play beer pong on a Friday or Saturday night due to the fact that you played hundreds of games of darts during the week.
"wow, i cannot make a cup tonight, I think i have a case of dart arm"
by John232115 February 20, 2010
What Jim Holmes "claims" to have when I am whooping him in darts!
Joe- "Damn, I am up sixty points on you!"
Jim- "Yeah, only cause I have dart arm."
by JoeyP January 16, 2007

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