| Word | Explanation |
| Dahmer, Jeffery | Sadistic serial killer often mentioned in ICP's songs. Jeffery Dahmer would abduct young boys, kill them, then have sex with the corpses. He dismembered the bodies, taking photos of his progress. Dahmer often kept "trophies" of his victims, by preserving skulls and penises in famalgahide. As for the remaining parts, he'd dissolve them and flush them down the toilet. This continued for serveral years, and his victim count multiplied by dozens. |
| Dark Carnival | A dark carnival that Shaggy and Violent J preach to the world about. They explain the upcoming Apocholypes. The whole meaning behind ICP. |
| Dark Lotus | Group of 6 Psychopathic artists; Violent J, Shaggy 2 Dope, Jamie Madrox, Monoxide Child, Blaze Ya Dead Homie and Anybody Killa |
| Delray | A rundown neighborhood of Detroit, Michigan, under I-75. Southwest Detroit |
| Duece | Stagecharacter. It's a guy with a regular, big, gray head with an additional head growing out from the top of it. |
| Down With The Clown | Being a lifetime supporter of ICP and believer of the Dark Carnival |
| Drawers | Underpants |
