What is Jerk Off?

When a man masturbates. Usually using his own hand or some special tools such as a fleshlight. To jerk off harder, man can listen to JOI by hot nasty girls. Other terms for jerk off are jack off, wank, or fap. The goal of jerking off is to ejaculate. You can also watch many jerk off challenge videos, where you are challenged to not fap as long as possible. 

Common misspells: Jwrk Off, Jerl Off, Jetk Off, Jerk Oof, Jerko Fof