D and D 

The creators of Game Of Thrones, David Benioff and D. B. Weiss. Although after the clusterfuck of the last season it is safe to just assume "dumb and dumber"

Jon: Did you see what D and D did to the recent Game of Thrones?

Jaime: It just gets dumb and dumber.

D and D by tem 2 fivety four member May 7, 2019

3-and-D 

This means that a player specializes in shooting three-pointers and play defense. Some 3-and-D players are
Khris Middleton
Klay Thompson

Kevin Durant
Elgin Baylor (R.I.P)

Klay Thompson: I'm the best 3-and-D play ever
Kevin Durant: Nah

Klay Thompson: Yeah
Kevin Durant: Nah
Klay Thompson: Yeah
Well this ends by Klay Thompson getting whooped after Kevin durant pulls up to his house and spits on him

3-and-D by YourAnAcuteOne May 4, 2021

R and D 

Short for "Research and Development". A phrase used to convey that an event is still in it's planning stages.

Hold on to your panties bro, it's still in R and D

R and D by BlobDylan June 30, 2010

D and D or D&D 

Term often used on cyberspace especially craigslist to denote Drugs and Disease free while seeking a partner

Please be D and D or D&D free

D and D or D&D by Prncezz July 19, 2006

Triple B and D 

Big, Black, Bow-legged with Dreads

Guy 1: Don't mess with that guy, he's Triple B and D
Guy 2: That's dangerous

Triple B and D by Tartaru5 March 8, 2011

H and D

Short for hump and dump; to pursue someone only for a quick get-off then to leave that person in the past

The girl Peggy from the bar was only a H and D for Tom

H and D by Cutty January 13, 2006

d and d 

Dungeons and dragons, popular non-computer based roll playing game stereotypically played by nerds. An mmorpg(massively multi-player online role playing game) also exists.

Hey man, the renaisance club and I are playing D and D at Nilknarf's.

d and d by Leoj April 24, 2006