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 17, 2007
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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 17, 2007
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The action of holding one's arms on either side of one's body, flexing said arms and then pumping them up and down while chanting loudly - preferably a variation on 'do-de-do-da-du-da-do-du-do-do' - in the manner of a boozy darts fan celebrating a maximum checkout from Phil 'The Power' Taylor at the World Darts Championships in Ally Pally. Essentially an oafish way to celebrate something.
After realising there was still a tiny bit of Tabasco left in the bottle to put in his crisp sandwich, Seb celebrated by doing darts arms.
by kenilworth75 April 5, 2011
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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
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