- 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. 2018
- informal a childish temper tantrum
Word Origin and History for hissy fit
Online Etymology Dictionary, © 2010 Douglas Harper