by cakeloufornia May 18, 2015

by baysil September 15, 2023

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

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

Guy1: one day I poked my brother in the eye with an apple pencil. she cried and cried. it was pretty warm so I didnt need a blanket on the hot day of winter
Guy2: You’re an idiot.
Guy2: You’re an idiot.
by Meep beep June 12, 2021

"Hey bro, are you planning on Day one-ing it when you go to college?"
"Yeah man, I want dat pussy as soon as I can get it!"
"Yeah man, I want dat pussy as soon as I can get it!"
by Gaysinspace September 04, 2015
