Definitions by Matt McWhite

GUP 

Glow up potential. The amount of potential a person has to glo up.

Person 1: Hey, Matt has some serious GUP!!
Person 2: Yeah, he's not hot rn, but he will be!!

GUP by Matt McWhite November 9, 2018

Glow Up Potential 

See GUP. The degree of potential that a person has to glow up.

Damnnnnn, Jeff has definitely has glow up potential.

Glow Up Potential by Matt McWhite November 9, 2018