rein 

a slang for the most awesome guy in an group of people

That guy must be rein in here

rein by multinectar January 17, 2013

Rein 

A Rein is a person who's an extremely amazing human, a dork at times with a cringy sense of humor. However is dependable and reliable that keeps it a 100 around the blocc.

Everybody loves a Rein except when he acts like a whiny bitch.

Rein by Drzoidbeetle January 5, 2017

rein 

a cool type of duct tape in Philippines

Hey can I have some rein duct tape for my deer?

rein by gluesy August 23, 2011

Rein 

Basically a massive loser

Damn, I really do be feeling like a Rein today!

Rein by HeyAidenHowdy? April 12, 2020

Rein 

a lovely

emmy: "wow rein is are a lovely"
ashy: "yea"
nadiam: "yes"

Rein by ememememey November 30, 2020

Rein 

A indestructible Rein and full of passion and his level is on other dimension he is the god of freestyle aka POP REIN whenever he raps he can do whatever he wants in the moment and but uses the powers only for good. He got this powerful and indestructible powers from 10 seconds of training and serious dedication. The reason why he is powerful too is because he has genetic from the planet Shqiperia aka Albania so Albanian species are known to be the strongest species in the MULTIVERSE so better get away from them.

《 Yo look at that guy justa got Reind 》
《 Baby I Really want to rein me tonight 》
《 Come on dude drop that POP REIN 》

Rein by Raind February 17, 2021

Rein 

The coolest person in the room.

"Wow is that Rein? They're so hot that steam looks cool."

Rein by qwerty221134 August 15, 2021