Mom: Your grades are dropping! Are you on drugs?!?!
Me: It's just a 'B-', don't have kittens.
by MaxWilder May 25, 2006
(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 26, 2004
If someone is getting particularly worked-up about something (usually excited/annoyed).
Luther: So is Katie excited about getting into Harvard's?
Cyril: Are you kidding? She's flippin' having kittens.

Barney: Are you pissed that we have another long English assignment that we have to re-do?
Chester: Yeah man, I'm having kittens over here!
by It'sFrickingMe June 22, 2010
Fox News Network is having kittens over the Bill O'Reily alledged sexual escapades with his young female subordinate.
by Simon October 16, 2004
Experiencing and displaying an extreme emotion, be it happiness, excitement or anger.
1) - "Did you see that bitch? She was fucking pissed off"
2) - "Yeah man, she was crazy, she was having kittens"
or
1) - "Did I tell ya the other day I found fifty bucks? I was fucking having kittens!"
by Splashers May 15, 2009
v. To be excited or surprised
by an event.
v. To physically give birth to a litter of kittens.
Troy, you got the new heated condoms? I'm simply having kittens!

Aww, the mother cat is simply having kittens!
by Prima B. Goode July 5, 2004
An idiom that refers to a child exhibiting similar behavior to that of his or her parent.

A shorter, stupider, better way of saying "the apple doesn't fall far from the tree."
"Goddamn, John's kid is just as bat-shit crazy as he is."
"Yea well, cats have kittens."
"...whatever tf that means."
by Genghis KaniSalad January 9, 2019