one who’s love grows for you as they grow with you.

IG: @free__key
Tyla and I have been best friends for 10 years through all the bullshit, she has remained. She’s a real day one! 🙌🏾
by Free__key February 12, 2019
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A time one proclaims that they are ready for the job and task ahead.
Ted Kennedy says Barack Obama will be ready to be President from day one.
by Warren Wordsfore February 02, 2008
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You have one more chance and then it happens.
Becky: One of these days I'm walking away.
Actual meaning: I'm fed up with your shit, you have one more chance and I'm gone.
by Cant_even January 18, 2018
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The worst map on Gears Of War 2, it is chosen by noobs and has awkward gameplay for all modes.

It should never be chosen during online play
oh wtf who voted Day One!

oh damn it tied and we have to play day one, long to that!
by I Am Marcus Fenix April 29, 2009
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I want someone to be my day one someone that I could easily talk to and hug everyday and talk to 24/7 like a sister ❤️💯
Day one mean someone who’s there for you 24/7
by J boat October 12, 2018
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Some day that could be anywhere between yesterday and the day you were born. It can be used as an alternative to 'The other day' at times.
One fine day we had fun at that cafeteria!
by Rawas July 01, 2018
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Day one is a term stolen by basic women (and men) for their "insta" captions. It references a person that is close friend. The term is really referring to someone that has been there since your day one and therefore should only be used by twins who have a literal day one.
Thats my twin he is my actual day one.
by MTVCribs November 30, 2018
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