Abbreviation for Reflect Upon It.

Sometimes, when you want to just say, hey, why don't you think about what you just did, said, smoked, did last night while drunk, RUI is short and easy.
Guy1 : Oh man, I got so wasted last night, I have no freaking clue what I did.

Guy2: Uncool man. RUI.
by Gradstudent6 April 26, 2011
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She is funny, pretty (when she wants to b), she will go hard for her gang, and anybody else she cares about, she coldhearted bc she been through a lot, keep it a buck with her, and she'll keep it a buck with you regardless, she loyal when she wanna be, she not afraid to get it on with ANYBODY, nd don't cheat on her bc she will do you 10 timess dirtier
Don't fuck with rui's gang cause she will go hard for them and they will go hard for her :)
by dtnnn 4 lifeeeee June 11, 2020
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Ruis is somebody who handsome as hell and got a big dick
by Agifienuahdw March 19, 2020
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Someone who is completely whipped by another person usually his bitch.
Oh man there goes that poor Rui holding his bitch's purse.
by lololol105 April 14, 2011
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some fj who jerks off when u turn your back. Very freaky.
OH MY GOD THAT RUI IS D__F__Ging!
by the truth December 10, 2003
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A specially attractive and cute guy that is great in bed. He is an intelligent, and so loyal to his loved ones. Yi Rui is a very unique name. A fun person to hang out with and will always stay loyal to his partner
This guy is so loyal. He’s a Yi Rui!
He is specially attractive and unique! He must be a Yi Ruiz
by sexyfatasian November 10, 2019
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a mman from a performing band called wonderlands x showtime. he has a very cool singing voice have you heard that man omg. he's also tsukasa tenma's silly inventor boyfriend whom he shoots out of a canon sometimes
person a: who's your favorite character from pjsekai?
person b: rui kamishiro
person a: you're so hot wanna make out
person b: yes.
by ihopedreamkhses July 14, 2022
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