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the sexual act of taking your girl, throwing her up into the air, smacking her ass, having her land on your cock, and putting a phat nutt right in her pussy
me: damn girl, you tryna get sum fucc?
her: aight but only if you rainbow kitten surprise me
by awholepenisinmybutt June 16, 2018
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While having sex with your girl from behind you secretly sprinkle the marshmallows from Lucky charms into her ass. When she finds them later you yell "surprise!"
Yo I totally got Danielle with a rainbow kitten surprise last night!
by shanman72 April 18, 2019
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