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1.
A boneheaded action committed by one who should know better but goes ahead and does it anyway.
Stupidacity is as stupidacity does! May that dude rest in peace for running a stop sign in front of that semi truck that pushed him broadside into the train running alongside him.
by jimmiedavurdmeister August 20, 2007

Words related to stupidacity

duh! idiot mindless screwed-up stupid