Misadventure

[Sarah]

Mischance; misfortune; ill lick; unlucky accident; illadventure. Chaucer. Homicide by misadventure (Law), homicide whichoccurs when a man, doing a lawful act, without any intention ofinjury, unfortunately kills another; -- called also excusablehomicide. See Homicide. Blackstone.

[Sarah]

Another word for an act of folly. May happen after consuming mass quantities of alcohol, or simply by having defective genes.

[Sarah]

mishap or misfortune; fiasco