Meaning so hot, so beautiful , so pretty, basically what you call your friend on Instagram when she posts that fire selfie
Friend one: Girl u so fire

Friend two: thx boo kit I'm burnin' up
by Idkrandom June 23, 2015
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To symbolise strength.

To compare a person to the strength of a burning fire.
She's / he's so fire
I'm so fire
by Grey B April 29, 2022
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This symbolises passion and hope burning within like a fire.

When a person is very passionate or hopeful towards something.
I'm so fire!
You're so fire!
George is so fire!
by Grey B April 29, 2022
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