| Abbreviation | Definition |
|---|---|
| DELCO | Does Engine Leak Coolant Often |
| DELL | Does Everything Lovely Long-term |
| DELL | Doesn't Ever Last Long |
| DELTA | Delay Every Landing Through Atlanta |
| DELTA | Doesn't Ever Leave on Time for Anything |
| DELTA | Doesn't Ever Leave The Airport |
| DELTA | Don't Even Leave The Airport |
| DELTA | Don't Expect Lover To Acknowledge |
| DELTA | Don't Expect Luggage To Arrive |
| DEMOCRAT | Directs Every Minimal Opportunity to Continue Raping American Taxpayers. |
| DEMOCRAT | Don't Elect Me On Character Reasons And Truth explanations |
| DEMOCRAT | Don't Elect More Old Communist Racists Attacking Trump |
| DEMS | Don't Eat My Shorts |
| DEP | Department of Environmental Pollution |
| DER | Department of Exploitable Resources |
| DERFED | Dying Early Riding From Easter Day |
| DETC | Don't Eat The Cheese |
| DETOUAR | Don't Enter, Take Or Use Another Route |
| DEU | Defective End User |
| DEU | Doom Editing Utilities |