| Abbreviation | Definition |
|---|---|
| DTP | Does This Play? |
| DTR | Direct To Rust |
| DTRS | Don't Touch a Running System! |
| DU | Dimwitted Underlings |
| DU | Dummies United |
| DUC | Designed Ugliness Cartoon |
| DUFF | Designated Ugly Fat Friend |
| DUH | Dial Up Haters |
| DUH | Don't Understand, Huh? |
| DUH | Dude, U are Hot |
| DUH | Dwarfs Unleashing Hell |
| DUI | Dialing Under the Influence |
| DUI | Dragging Unstoppable Imports |
| DUIC | Driven Under The Influence of Cannabis |
| DUMB | Donuts Under My Bed |
| DUMB | Dutifully Underachieving Machiavellian Braggart |
| DUMMY | Dumb Useless Maniac Mad Yuck! |
| DUNE | Developed Under Narcotic Euphoria |
| DUNG | Dare to Unleash the Neverending Gasses |
| DUS | Damn, U Smell |