The art of listening or watching, memorising Katy Perry performances, videos and lyrics.

This could be in an obsessive fashion, or hardcore girl fan style.

This could also mean someone who is completely obsessed or deluded with Katy Perry in every way and is constantly needing to get their 'KP' fix, this is known as Katy Perrying.
Person 1: "Hey dude, wanna hang out today?"
Person 2: "No sorry, I'm Katy Perrying all day"
Person 1: "WTF, that stupid bitch who can't sing and has big tits?"
Person 2: "STFU.... *starts crying*
by Jackula August 20, 2009
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A female singer who kissed a girl and liked it and who thinks you're gay...
Katy Perry: "I Kissed a girl and I liked it!"
Me: Great for you...
by camouflage442 July 18, 2008
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She is super inspirational. Her song firework really helped me through tough times when my ipod died. Her chorus for firework is so magical when she rhymes boom boom boom with moon moon moon, i die of happiness. Also you you you is rhymed with moon moon moon. Lastly, she tops it off with rhyming ah ah ah with ah ah ah.
"boom boom boom, even brighter then the moon moon moon! It's always been inside of you you you, you'll make 'em go ah ah ah when you shoot across the skah skah skah *cue Katy Perry shooting across sky going "weeee!"* you're gonna leave 'em goin' ah ah ah"
by the belter January 2, 2011
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The act of flashing and then thrusting your genitals in front of someone.
'Im off to the mall to Katy Perry some people'

'Fuck it!, I just got Katy Perried in the changing rooms'
by Suchasaint March 21, 2010
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the act of a girl kissing/making out with another girl.
"Hey Sarah, why don't you go Katy Perry that girl?"
by cupcakekdick August 8, 2009
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Someone who gets a lot of nominations but never wins any of those.

Derivatives:
Katy Perry-ied
At the promenade, Karen got nominated for Prom Princess, Most Photogenic, Best Dressed Female and Best Smile.
She never won any of those. She got Katy Perry-ied.

You're such a Katy Perry!
by *j February 27, 2011
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An American recording artist who sings about lesbian relationships, manic depressive disorder, getting married while drunk, and sex on the California beach.
by Rihanyce May 24, 2010
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