it is a name that is used by girls. it isn't common, and people usually use the name Fina instead
hey, Finna, how are you doing today?
by PPaws May 20, 2016
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When your about to do something.
Im finna pull up,im finna go to the store,im finna eat
by Choppo17 March 5, 2018
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a nice girl who's name is hard to pronounce so people call her Finna cuz they're to lazy to finna her name.
by CatsCantRead November 16, 2017
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going to (do something)

While the term "finna" is traditionally associated with less proper English, it ought to, in the opinion of this writer, see expanded use in more professional settings (see below).
"Your Honor, my client does not wish to answer any questions at this time. She finna plead the fifth amendment."

"I do solemnly swear (or affirm) that I finna faithfully execute the Office of President of the United States..."
by Definitons_8890 August 24, 2022
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Another word for litterally or actually Used by millenials and many twitch Streamers
I'm finna gonna get you jumped
by Official_Inspector_Gadget March 14, 2019
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Fuckingonna. A contraction of fucking and going to.
I’m finna jump in that pool even though I can’t swim
by Jigglyboordie February 27, 2022
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Going to do something/ get something.
“I’m finna get in trouble.” Alli said
by Bellaaa1826 November 1, 2019
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