a girl who's nice sweet and really really cute. also a good nickname for girls who's names start with a day and girls who bring daylight into your life.
you:hi dayday
girl: hi
by cybeR15 April 26, 2013
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a lazy ass hoe that can't get a licences so she give bj's to vatos for a ride.
"Damn. Let's go holla at that Dayday."
by shinnin September 7, 2006
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Realest friend in your circle, usually has older cousins that are “gang affiliated”, charming personality, but a very quick temper, well known, usually take part in sports
by Slapphard185 September 25, 2020
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“On DayDay” is a phrase which is a way of saying that someone is telling the truth similar to “On God” or “On my mama”. The phrase is a reference to late rapper Dayvon Bennett AKA King Von.
Person 1: “We was like 30 deep in that bitch for real, right till 12 pulled up and we had to dip out that hoe.”

Person 2: “Damn, really?”

Person 1: “On DayDay, bruh.”
by 773mob December 8, 2020
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A cunt that nobody likes. People that call there self Dayday are usually autistic
Dayday is a dumbass
by Dayday_ August 21, 2018
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A dayday is a term for badass little black kids who don't have any home training or show respect
"Damn that little nigga really slapped his mom, he a dayday for sure."
by Naut_jay May 3, 2023
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Steet name for Meth in the midwest.
Dayday because it keeps you up all nightnight.
You got any dayday?

I want some dayday.
by Keaido May 15, 2020
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