Top definition
Short for "happy accident." When something that was unplanned or didn't turn out as planned opens the door to a discovery or a new application.
Unlike classic discoveries like penicillin, sticky notes, and liquid paper correction, we are visited by hapcidents more often than we might admit.
via giphy
by MathPlus January 27, 2017
Get the mug
Get a Hapcident mug for your fish Beatrix.
2
A unplanned for situation/accident that is pleasant or happy;

An accidental event that brings joy instead of grief.
The breaking of the ugly vase was such a hapcident !

They met due to a fender bender, it was a hapcident.
by WordGirlQueen December 22, 2011
Get the mug
Get a Hapcident mug for your friend Julia.