Dancing when one should generally not be dancing. Usually followed by regret, embarrassment, hangover.
"How was the wedding last night? Any accidance?"

"Aunt Lori was grinding on the best man...Lil Wayne came on. Accidance happen, I guess."

"Ya can't take her anywhere...she is an accidance liability."
by Dooodshhhh November 10, 2011
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The phrase used most by AP gov teachers when explaining that the political climate is not made up of accidental chances.
There is no such thing as a political accident.
by Frosty DST March 26, 2019
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see 'shoucher'
i wouldn't invite stephen to the flatwarming party... i heard he has recently had an an alcohol accident - he shouched everywhere!
by tpig September 28, 2010
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