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1. a retard who made the color gray to sound like green and started using it as his username

2. a very honest person, but also very annoying, perverted and lazy

3. burping without stopping like a machine till u piss the shit out of someone
1.
Person A: Greyn?
Person B: What?
2.

Person A: I love you, you are such a greyn
Person B: I love you too regular person
3.
Person A: *brp-brp-brp-brp-brp-brp-brp-brp-brp-brp-brp-brp-brp-brp-brp-brp-brp-brp-brp-brp-brp-brp*
Person B: STOP DOING THE GREYN ON ME IT'S SO FUCKING ANNOYING I WILL BEAT THE SHIT OUT OF YOU RIGHT NOW
by Definitely Not Greyn June 03, 2018
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2
1. an asshole who shipped the color grey and green and made a new word "greyn" for his username.

2. a very honest, but perverted, annoying and lazy person.

3. burping on someone without stopping till you piss the shit out of them
1.
Person A: Greyn is an asshole
Person B: I agree
2.
Person A: OK I DON'T FUCKING CARE ABOUT WHAT YOU ARE SAYING U ARE SUCH A GREYN

Person B: I'm sorry
3.
Person A: My girlfriend is still mad for doing the greyn on her vagina yesterday
Person B: That is disgusting why would you do that?
Person A: It was fun lol
Person B: It wasn't
by Definitely Not Greyn June 03, 2018
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