concupiscence – adj. possessing excessive sexual desire.
cojones
cojones – n. slang for testicles.
coitus interruptus
coitus interruptus – n. the act of removing the penis from the vagina before orgasm.
coitus
coitus – n. sexual intercourse involving ejaculation from the penis.
coitophobia
coitophobia – n. the fear of sexual intercourse
coitolimia
coitolimia – n. abnormally strong sex drive.
cock tease
cock tease – n. slang for someone who intentionally sexually arouses a male but does not follow through with sexual activity
cock ring
cock ring – n. a device such as a leather strap or rubber ring that is placed at the base of the penis in order to restrict blood flow and lengthen the duration of an erection, or to prolong ejaculation.
cock and ball torture
cock and ball torture – n. the BDSM practice of attaining pleasure by inflicting and/or receiving painful stimulation to the male genitals.
climax
climax – n. the point at which orgasm is achieved
Cleveland steamer
Cleveland steamer – n. the act of defecating on a woman’s chest as a form of sex play
clap
clap – n. slang for a sexually transmitted disease, usually gonorrhea or syphilis.
CIM
CIM – Acronym. acronym for “cum in mouth.”
chod
chod – n. slang for the area of skin that lies between the scrotum and the anus
chicken head
chicken head – n. a woman who trades sexual favors for drugs, usually crack.