A phrase drawing inspiration from phrases -
1. Make one's bones
2. Grow into something

It means that a person is maturing into a particular skill or talent, something that may have a learning curve.
John Joan Jones will grow bones around cleaning duties. They say that he could have a bright future.
by Aaku0311 October 5, 2023
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Its an STI in which the infected persons genital start to grow mushrooms. If left unchecked, this condition will lead to a "Blue Waffle"
Man this sudden Flo Grow is really noticable.
by ndprod August 26, 2015
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when someone grows taller and becomes worse as a person
I feel like my little brother is growing down. He used to be such a sweetheart, but since he's grown to 6'1" he's gotten three detentions.
by capri.vesta April 20, 2020
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A cringe roast used by junior/middle school girls, boys still hate this roast.
Nathan: Hey whats up
Random ass girl: i know what you did to the maid
Nathan: SHUT UP
Random ass girl: I dont shut up i grow up and when i look at you i throw up
Nathan: ._.
by Stupidwordsuslessinourlives September 6, 2022
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