the defination of hissy is funny,comical, humorous,hysterical, outrageous, LAWLZ! hissy is short for hysterical.
amacs is the hissyest person i have ever met!
hysterical, funny, comical, amusing, dippy, outrageous, ridiculous, hissy is short for hysterical. hysterical--->hissy.
"were a pretty hissy group of kids!"
"that is the most hissy thing i have ever heard!"
"your fucking HISSY!"
"that was a pretty hissy night!"
"thats some pretty hissy stuff!'
To get drunk with one's sister.
Sisters getting drunk together.
Being crazy drunk with your sister.
Morgan and Amelia got super hissy last night.
Me and my sissy are hissy.
Don't you wish your sissy was hissy like me?
to be in a state or anger or dismay, to be in the act of being upset
quit throwin a hissy, ya little bitch.