1. glow up - Noun
2. glow up - Verb
3. glow up - Phrase
glow up (third-person singular simple present glows up, present participle glowing up, simple past glowed up or glew up, past participle glowed up or glown up)
(slang) To undergo a glow-up.
glow-up (plural glow-ups)
(slang) A major and impressive transformation in appearance, talent, power, etc.
Antonym: glow-down
glow-up