hissy

[his-ee]

Origin of hissy

An Americanism dating back to 1930–35
Also called hissy fit.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Word Origin and History for hissy
adj.

1905, from hiss + -y (2). Hissy fit is attested by 1983.

Online Etymology Dictionary, © 2010 Douglas Harper