- The definition of a fiasco is something that is an utter and complete disaster.
An example of fiasco is a party where no one shows up and the clown hired to entertain breaks his leg and sues.
nounpl. fi·as·coes or fi·as·cos
Origin of fiascoFrench, from Italian fare fiasco, to make a bottle, fail, from fiasco, bottle (perhaps translation of French bouteille, bottle, error, used by the French for linguistic errors committed by Italian actors on the 18th-century French stage), from Late Latin flascō; see flask.
(plural fiascos or fiascoes)
From Italian fiasco (“bottle, flask”), from Late Latin flasca, flascō "bottle, container", from Frankish flaska "bottle, flask" from Proto-Germanic *flaskǭ (“bottle”); see flask. "Failure" sense comes through French (faire fiasco) from Italian theatrical slang far fiasco (literally, "to make a bottle"), of unknown origin.