Handballing involves fondling the testicles with your hands often through the pockets of your pants.

Hentai (in Western use) refers to sexually explicit cartoons or animation.

Half-and-Half refers to purchasing sex services in which half the time is spent on oral sex and the other half is dedicated to intercourse.

The Hymen, also known as the vaginal corona, is made up of thin mucous tissue folds and is located just inside the vagina. Though many people believe that the hymen is a solid membrane that “pops” during vaginal sex, this is simply a myth. It is very rare for the mucous tissue folds to cover the entire vaginal opening and its appearance changes over time. The hymen can be worn away over time through a variety of other processes including hormonal changes, menstruation, regular discharge and masturbation.

The Helicopter is a sex position in which a woman lies on her back and a man lies on top of her to insert his penis. He then uses his hands and feet to turn...