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!
My computer had a hissy fit and then just quit working
by thesprout December 9, 2010
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Acting like a fool. (usually said in a british accent)

Julia, stop that hissy hassy!
by adribaha January 10, 2008
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Someone who purposely cuts themselves for no reason, to fit into a certain genre (esp. emo or goth) or who does it so people will feel sorry for them
Shes cutting herself again? She does it for no reason. What a hissy cutter
by Mattchew B July 29, 2007
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An extraordinarily annoying term used to describe a temper tantrum.
Person 1: Yeah, he was having a hissy fit
Person 2: Quit saying that, it makes you sound like a moron.
by woo hoo hissy fit May 8, 2007
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a prolonged outburst of hissing by a cat.
Tweety, my late calico cat, constantly hissed at the other cats in the house. We called her Madame Hissy Fit as a result.
by Stop the pendulum January 12, 2006
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A term coined by mothers describing the hysterical (hissy fit) reaction of their little children when mothers say no to buying toys in a department store
Meredith and Little Jamica are in Harrods in London

Little Jamica: Mommy, look at this new stuffed bear!

Meredith: Oh, it's cute! Oh wait, too pricey, honey. So no, don't even think of buying it.
Little Jamica: WHAT?!! NOOOOOOOO!!! WAAAAH!
Meredith: Oh boy, here we go again. One more department-store hissy fit.
by DJAlexanderofFairfield December 8, 2013
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