coitophobia – n. the fear of sexual intercourse
coitolimia – n. abnormally strong sex drive.
cock tease – n. slang for someone who intentionally sexually arouses a male but does not follow through with sexual activity
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 – n. the BDSM practice of attaining pleasure by inflicting and/or receiving painful stimulation to the male genitals.
climax – n. the point at which orgasm is achieved
Cleveland steamer – n. the act of defecating on a woman’s chest as a form of sex play
clap – n. slang for a sexually transmitted disease, usually gonorrhea or syphilis.
CIM – Acronym. acronym for “cum in mouth.”
chod – n. slang for the area of skin that lies between the scrotum and the anus
chicken head – n. a woman who trades sexual favors for drugs, usually crack.
cherry – n. slang for an intact hymen.
cheeks – n. slang for the buttocks.
chastity belt – n. a belt worn to prevent access to the genitals, specifically to prevent sexual intercourse.
chaste sex – n. sexual intercourse between husband and wife after marriage.