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(idiom) to have a fit.

Used in both humorous and serious situations.

Also, cast a kitten.
Stop tickling me or I'll have kittens!
by Miss Agreeable May 25, 2004

Words related to have kittens

cast a kitten flip freak shit spaz wig
freak right the fuck out
Mom: Your grades are dropping! Are you on drugs?!?!
Me: It's just a 'B-', don't have kittens.
by MaxWilder May 24, 2006