- BOY SHORTS
- BRA HOOK
- BRANDING
- BRAT
- BRAZILIAN
- BREADCRUMBING
- BREATH PLAY OR BREATH CONTROL
- BREEDER
- BREMELANOTIDE
- BRO JOB
- BROWN SHOWERS (SCAT)
- BROWN SUGAR
- BUCK WILD
- BUDDY BATING
- BUDDY BOOTH
- BUG CHASER
- BUGGERY
- BUKKAKE
- BULL
- BUM
- BUNK-BED SEX
- BURIED PENIS
- BUSH
- BUSSY
- BUTCH
- BUTCH-FEMME
- BUTT PLUG
- C2C
- CAM SEX
- CAM WHORE
- CAMEL TOES
- CAMGIRL/CAMBOY
- CAN ENTERTAIN
- CANDIDA ALBICANS and CANDIDIASIS
- CANING
- CASTING COUCH
- CAT ’O’ NINE TAILS or CAT
- CATFISHING
- CATHETER
- CBT
- CEI
- CERVICAL CAP
- CERVICAL DYSPLASIA
- CERVICAL MUCUS
- CERVIX
- CFNM (CLOTHED FEMALE, NUDE MALE
- CHANCROID
- CHASTITY
- CHASTITY BELT
- CHATURBATE