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A friend that you've known since day 1 (best friends since you were children or early on in your life.)
I'm about to go chill with my day 1 niggas
by kennyg2 June 24, 2016
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Friends/Groupies etc. that have been herewith since day 1/the start.
Respect to my day 1s man, I couldn't have been.
by This_Pyre September 21, 2016
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The worst day of school someone could possibly have. It's the day where the classes beat your ass and you have to pay attention. Hard classes that will sodomize you and defecate in your mouth.
It was Saturday, then i started thinking about a day 1, so i shit my pants and vomitted uncontrollably. /cry
by Snaps October 01, 2003
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