(idiomatic) To experience an epileptic seizure. / (idiomatic) To become suddenly enraged.

plural of hissie fit

(informal, US) A tantrum; an excessive display of anger or disapproval.

(Britain) appropriate, and of a necessary standard, for its intended use.

plural of hissy fit

(idiomatic) To become angry, enraged, or upset; to act or react with an outburst, as by shouting, swearing, etc.

Acronym of electronic facial identification technique: a computerised system used by police forces for constructing images of suspects' faces from eyewitness accounts.

Alternative spelling of snit fit

Alternative spelling of shit fit

(chiefly US, Canada, vulgar) A childish display of anger or frustration; a tantrum; a frantic outburst.