A one from day one

Someone who’s been with you since the beginning and generally supports you. (Could be from the beginning of a certain period of time or situation.)
My Mom has been with me all my life. She is my A one from day one.

John is my A one from day one. We started this job at the same time.
by LiteBrite169 December 22, 2021
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Sure they are reliable cars but when they reach around 700k miles then you will see them starting to have mechanical problems. So wherever it’s a Prius RAV4 or Corolla, it’s gonna break down one day
by EMD F59PHI July 26, 2024
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Day ones

People that say they have day ones everywhere are using the term wrong. Day ones are people that have been best friends since either birth or for several years. PERIODT!!
Man 1: dude I everyone is my day one.!
Man 2: nah, day ones are like Olivia and Isabella, they’ve been best friends since kindergarten. So fix ur self!
Man 1: ........
by Karen_Hit The Whoa October 06, 2019
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Day ones

People you role with since you were young aka day ones.
“Yo I run dis block wit all my day ones,
by Diggydust December 28, 2018
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Day one

Your ride or die bestie, someone who is down to ride and by your side 24/7. Doesn't ask for anything but your loyalty, but would give you everything they have.
by GoddessLeo December 20, 2021
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