Dee Day 

When something you didn't expect to happen does and it makes your day great.

Bob: Today is Dee Day.

Alfonso: Why?

Bob: That cute waitress at the coffee shop who repeatedly turns down my request for a date, asked me out.

Dee Day by Joe Peapod March 27, 2009

Dee Day 

a day for a real nigga named Dee

Did y'all hear that it's Dee Day the day for the realest nigga alive

Dee Day by OtgDee April 12, 2019

Day-dee 

Cute ickle girl who likes cats and barbeque sauce pizzas

There she was just a walkin' down the street singin' do whah diddy siddie dum day-dee dooo....

Day-dee by Charlie Charlie April 29, 2003

Deedaya 

The definition of a simp. Usually people use it but with this generation nobody has

Friend: "You're a deedaya!"
Other Friend: "I'm a what?"
Friend: "A simp!"
Other Friend: "No I am not >:("
Friend: "Yes you are you Deedaya!"

Deedaya by nottodaythankyou February 21, 2021

deeday 

A Name given to only to Men, usually means he’s a trophy, mafia, or Gangsta.
Not to be played with, and really has a big street credit …

DeeDay is war ready like Dday, in other words Doomsday!

deeday by KingMafia November 23, 2021