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The massive followers of Katy Perry. They would take a bullet for her. You can find them on twitter, the Katy Perry Forum or wherever Katy Perry is.
"What the fuck is up with that chick, she's crying?"
"Katy Perry just tweeted her, she's obviously a KatyCat."
KatyCat by FarmerKathryn November 18, 2011
Related Words
A fan of the singer Katy Perry, fans coined the term when Perry embarked on her "Hello Katy Tour".
Guy; Have you heard of Katy Perry?

Girl; Are you kidding? I'm a total Katycat!
Katycat by _blue_eyes_ March 1, 2009
The best fandom in the world
#1 Katy Perry's stans
My best friend : Have you listen to Katy's new song?
Me : of course i'm a KatyCat
KatyCat by LUCIDDREAM4444 December 7, 2021

KatyCat Language 

Language KatyCats (Katy Perry hardcore fans) use.
KatyCat Language-Speshul, Purrfect(ion), Totes Mahgotes, Bearcunt.

KatyCat35 

KatyCat35 is a 5th grade girl who wants to be popular so bad, there's no other characteristics to her. she just wants to be on the top of the social pyramid. she's really just an average girl who sits there and kisses up to her popular friends and serenades Reese, the queen bee, in a urban dictionary definition. she probably has braces and wears pink hair bows and twinkle toes and cat eye glasses and she's KatyCat35 because there's already so many KatyCats out there apparently. She's like that one person in mean girls who's highlight of their life was getting punched by Regina George.
Reese: oh my god justin bieber got married ! that s k a n k!

Riley: oh my god, we HAVE to do something, he's YOURS, Reese.
KatyCat35: We shou-
Reese: SHUT UP YOU ANNOYING WHORE!!!!!!!!!!!!!
KatyCat35 by th0twithoutthehot December 17, 2019
Cutest and most beautiful gamer girl out there with the biggest heart of all

consider yourself luck if you meet her.
guy:Hey have you heard of KateCath
guy2:no?
guy: let me introduce you to her shes the best person you'll ever meet
More from Urban Dictionary
A girl who does ballet and only talks about ballet. Her schedule is filled with dance classes which does not allow her to do any other activity.
"Hey, do you know that girl Sally?"

"Yeah, she's kind of annoying. All she ever talks about it ballet."

"Wow, what a Bunhead."

"Hey Sally, you want to hang out this weekend?"
"I can't, I have dance."
"You're such a Bunhead."

"Yeah... I know."
Bunhead by Jen00 October 24, 2014
Word of the Day on October 6, 2026

trucker's tan 

A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
I had a trucker's tan after driving for 10 straight hours on a sunny day.
Word of the Day on October 5, 2026
The phenomenon where adults salivate at children's toys
Every time I walk into the toy aisle, I catch myself kidulting over the latest action figures and LEGO sets!
kidulting by Emotional Cruiser October 12, 2025
Word of the Day on October 4, 2026
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