hissy

adj

1. Accompanied with hisses.
2. Making a hissing sound.

   “Each is very inexpensive ($60 per two-pack for the Midland, $100 a pair for the Audiovox), and feels it. Each is also tiny, no bigger than a bar of Ivory. Both are far hissier than their more expensive rivals, and don't have as much range (more on this in a moment).”

3. Childish or petulant.

   “Viewers were aghast. . . . As co-host Regis Philbin flinched, Gifford launched into a teary, it's-not-my-fault, TV hissy fit: "You can say I'm ugly, you can say I'm not talented, but when you say I don't care about children, how dare you!"”

   “Midwestern-bred and still wholesome despite his exposure to New York’s hissiest, Sam remains the play’s anchor.”

noun

1. (US)A tantrum, a fit.

   “get into a hissy”