by Furry gang 3 December 11, 2020

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: ........
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 05, 2019

A beneficial defecation regimen.
by machBailz May 17, 2007

by PaulICS123 November 04, 2021

by bannonutnovember November 08, 2019

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.
John is my A one from day one. We started this job at the same time.
by LiteBrite169 December 22, 2021
