- D/D
- DADDY
- DAISY CHAIN
- DARK TRIAD
- DARKROOM
- DATE RAPE
- DEEP DYSPAREUNIA
- DELAYED EJACULATION
- DELIVERING THE WOOD
- DEPILATORY
- DEPO PROVERA
- DEPTH PLAY
- DHAT SYNDROME
- DIAL-A-PORN, DIAL-A-FUCK
- DIAMOND CUTTER
- DIAPHRAGM
- DICK FLICKS
- DICKNOTIZED
- DILDO
- DILDO HARNESS
- DO-ME QUEEN
- DOCKING
- DOGGIE STYLE
- DOGGING
- DOG’S BOLLOCKS
- DOM
- DOPPELGANGER(S)
- DORK
- DORMCEST or HALLCEST
- DORMGASM
- DOUBLE ANAL
- DOUBLE BAGGED
- DOUBLE DILDO
- DOUBLE PENETRATION
- DOUCHE BAG
- DOWNLOW or DOWN LOW
- DRAG
- DRAG KING
- DRAG QUEEN
- DRAG QUEEN STORY HOUR
- DRAINING THE WEASEL
- DRESSED TO THE RIGHT OR LEFT
- DRUNK DIAL (NOUN) or DRUNK DIALING (VERB)
- DRY HUMPING
- DRY SEX
- DTF
- DVDA
- DYKE, BULL DYKE, and DIESEL DYKE
- DYSMENORRHEA
- DYSPAREUNIA (SUPERFICIAL or DEEP)