Greg

The fastest growing army on YouTube, do NOT search that up.

Person 1: Hey look, it’s greg, the new guy!

Person 2: You mean The fastest growing army on YouTube?

by RottenAppleGt August 14, 2023

Greg

Used to describe a non ally or someone not in a fandom, yet supportive of the aforementioned groups.

He's such a Greg. He may not be an ally but he's supportive.

by CapTouhou March 1, 2022

Greg

A term you call someone if you forget their name; a basic name.

"Hey John!"

"Hi Greg!"

by Youknowtheguy December 22, 2020

Greg

The definition of ‘Greg’:
1. Not talking to a single person and being so antisocial

2. Playing world of tanks all day so that he will fail his GCSEs
3. Being a NPC

Greg

by yungNickOnDaTrack February 27, 2023

Greg

Greg is somebody who sleeps with your mom and gives you illegal fireworks. He cannot be there when your dad is home. Greg is a cool guy that you and your mom like but your dad doesn’t.

Person: Hey, Greg came by my house yesterday! He gave me some firecrackers! Person: Does your dad know?

by Anounymoose December 28, 2020

Greg

A word used to replace a dirty word you don't want to say.

I almost blew a greg when watching thar video last night.

by NotTheCoinSlot June 17, 2018

Greg

A rich man

I am a greg

by Oryyy October 13, 2019