[ his-ee ]
/ ˈhɪs i /

noun, plural his·sies.

Slang. a fit of anger; temper tantrum.

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. 2019

Word Origin and History for hissy



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

Online Etymology Dictionary, © 2010 Douglas Harper