Post date: Jan 2, 2010 4:54:09 AM

hissy (fit) noun /ˈhɪs.iˌfɪt/ n [C] informal

a sudden period of uncontrolled and silly anger like a child's

Example Sentence:

Sue, of course, threw a hissy when she found out.

(Source: http://dictionary.cambridge.org/define.asp?key=57750&dict=CALD)