an old term, used more that a hundred years ago, to refer to a black baby. The term "hissey fit" refers to a crying spell by the baby.
By way of explaining my knowledge of this matter, I am 68 years old and I was told of this explanation by my mother, who died many years ago, at the age of 90. It in no way means that either of us approve of any perceived slight by this entry.
noun. A sudden outburst of temper, often used to describe female anger at something trivial. Originally regional from American South. Thought to originate from contraction of "hysterical fit."
A sudden but violent outburst of a person shouting, screaming recriminations and (possibly) wailing, generally short-lived but shocking.
"Hissy fit" used to describe an adult tantrum but now has become an equal opportunitydescription, young or old, male or female. What they all have in common is no matter how severe the (alleged) offense, there is always some wounded pride involved, and usually an audience of bystanders along with the culprit who allegedly triggered the hissy.
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-- "When I told Sarah she couldn't have the doll, she broke down and pitched a major hissy fit. Right there in the toy department at Target!"
--"So when Joe got fired, all he did was throw a hissy fit out in the hall? Terrible. REAL men used to slug each other."
--"She freaked! She had a hissy! She thinks you're the cat's meow." 'Farmer Ted' (Anthony Michael Hall) in movie SIXTEEN CANDLES (1984), describing the Molly Ringwald character's sudden infatuation with a boy two years her senior.
Huge outburst by an adult resembling a toddler tantrum or the reaction from a teenager when told by their parents to do anything. Can also be applied to anything quits working in a dramatic way!