Frottage, sexual rubbing; non-penetrative sex, known as dry humping or dry sex. Including but not limited to:
- Footjob: sexually stimulating one individual's penis with another individual's feet. In some cases it can be part of a foot fetish.
- Handjob: the manual sexual stimulation of the penis by a person on a male, often used as a form of mutual masturbation.
– chapter 1