Glo up means that when someone was unattractive or ugly when they we're little and when they hit puberty bam! ๐Ÿ˜ฎ๐Ÿ˜ฎThey turn so attractive u won't even know it's them.๐Ÿ˜๐Ÿ˜Š
Guy1:bro did u see jenni

Guy2:yeah why why are u even talking about her she is so fucking ugly
Guy1: bruh look at her Instagram she flew up like dam
Guy2:wth boi I swear this has to be a joke
Guy1: it's rlly her
Guy2:......wow well dam she is fine๐Ÿ˜๐Ÿ˜๐Ÿ˜

Guy1:ikr I wish I can glo up
by Lit girl on stage August 11, 2017
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A positive change in appearance and style from one time period to another - frequently used in the context of puberty.
I was really an ugly duckling in middle school. Thank god for puberty; my glo' up was REAL.
by co'19 December 6, 2018
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The act of growing up and becoming very attractive physically
Wow, Christina is gloing up real fast! She's beautiful!
by Christixa September 27, 2015
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when someone goes from being ugly to smokin hawt
person 1: do you remember what niki looked like back in grade school?

person 2: ew yeah why?
person 1: she had a major glo up...she is so hot now, like 11/10 would smash and shes got a nice ass
person 2: dayum, i would let her leave her toothbrush at my place
by givenyousome February 18, 2018
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1) The act of glo'-ing up during the summer time.
Ex.

1 Damn he really experienced a summer glo' up.

Ex. 2

Guy 1: Damn remember that niqqa Markus from high school
Guy 2: Who's mans...... he hit the hardest glo' up summer '15.
by Brorack Obama July 1, 2017
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