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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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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