The female version of the "Peter Pan Syndrome"; a grown female who behaves and/or conducts herself immaturely; childish; female that is not accepting to "grow up" and behave her own age; female regression to her childhood.
Some people would say she is having a midlife crisis at age 35 because she loves going to bars every weekend with her 21 year old friends instead of settling down. I suppose she suffers from Hello Kitty Syndrome.
by A Frayed Knot by EdgyZen October 30, 2014
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When a male fucks a female in the ass with his penis before pulling it out and slapping her across the face while moving his hips in a side to side motion in order to produce the final result, which is brown whiskers across said female's face.
Holy Fuck, Jimbo just gave Kelly a Dirty Hello Kitty! I hope she washes up before kissing her daddy! Oh wait, she's a whore, no worries.
by Triple BLV January 15, 2010
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a girl who likes hello kitty a lot, typically has pink on everything and tells guys the weird things she'll do to them.
the hello kitty girl invited me to her house
by Meanings behind memes June 24, 2023
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Any female over the age of 11 that has an infatuation with Hello Kitty.

Usually ugly goth /emo girls will walk around with hello kitty swag to appear 'cute' and 'original'
"Omg that attention whore girl with the frankenstein boots and pink hair extensions is such a Hello Kitty Retard"
by *LoserLicious* June 15, 2010
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The process in which a movie/tv show/artist is changed into hello kitty.
Did you see how she hello kitty-fied Hellraiser? Who new evil could be so cute?
by Jessi_Cat September 7, 2012
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