noun. This is somewhere a few exits past "conniption fit" and just short of "going special forces on your ass" (with a touch of femininity-gone-apeshit for flavor).
Related terms: hissy fit, hissy-snit, hissified, snit fit, hissy snit fit, hissy-spat.
Real citation: "Throw a pissy hissy snit-fit where you write poetry that blames your misery on the lowlife people who have caused it. "
(BadCommentPolice, Aug. 14, 2003, http://oldpoetry.com/Poem/93122)
Made-up citation: "I hope my yoga class will ease my neck pain and bring peace to my troubled brain, so I'll have less need to pitch a pissy hissy snit-fit when someone pees in my cornflakes."