Wanker, or someone typing one handed because they are masturbating and typing to someone at the same time while having cybersex etc.
ONE MAN SHOW :
Slang term for male masturbation.
ONE NIGHT STAND :
A one time sexual encounter.
ONE OFF THE WRIST :
Slang term for male masturbation.
ONE STOP SHOPPING :
Slang term for male masturbation.
ONE-ARMED SKIING :
Slang term for male masturbation.
ONE-HANDED WORKOUT :
Slang term for male masturbation.
ONE-MAN ORGY :
Slang term for male masturbation.
ONE-MAN RING TOSS :
Slang term for male masturbation.
ONE-MAN SHOW :
Slang term for male masturbation.
ONE-MAN TUG-O-WAR :
Slang term for male masturbation.
OPENING THE BOTTOM DRAWER :
Slang term for female masturbation.
OPENING UP A BOTTLE OF SQUIRT :
Slang term for male masturbation.
ORAL CONTRACEPTIVE :
A pill, typically containing estrogen or progesterone that inhibits ovulation and thereby prevents conception. Also called the birth control pill.
ORAL SEX :
Sexual intercourse where the mouth of one sex partner is used in connection with the genitalia of the other to produce orgasm.
ORGAN SOLO :
Slang term for male masturbation.
ORGASM :
The end-pleasure or climax.
OUT :
Openly living as a homosexual.
OUTERCOURSE :
External forms of sex not involving penis penetration.
OVARIES :
The reproductive glands in the female located within the pelvic cavity near the uterus, which produce the ovum or egg, which is fertilized by the male sperm during impregnation.
OVUM :
The female egg of reproduction, which is fertilized by the male semen during copulation.