2 definition by markds75

Top Definition
An accident caused by one or more people jacking off at the sight of a nude person of their preferred gender walking down the street.
Person 1: How'd you total your car?
Person 2: There was this naked chick walking down the street. She was so hot, I just had to go for it
Person 1: Did you at least have a happy ending?
Person 2: Yeah, just before the jackcident.
by markds75 January 19, 2009

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What you say when someone speaks at you and you didn't hear what they said.
Person A: Do you want to have dinner with Jack and Jill tonight?
Person B: {looks up from book they were reading} Whosawhatsit?
by markds75 September 05, 2006

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