1) Slang term for male masturbation.

2) Grasping a penis, then stroking vigorously in and up and down motion in order to produce an orgasm. Usually accompanied by ejaculation of semen.

See also: jerking off; jerkin the gherkin; jacking off; wanking; whacking off; beating your meat; chocking your chicken; spanking the monkey; slapping the salami; tickling the pickle

the whale tail is the shape formed when a g-string rides up high over a womans trousers

see jack-off, beating off is the same as jacking off but it seems to sound more harsh when u say beating rather then jacking

Same as jacking off, but in addition: Any time a mechanical device is temporarily malfunctioning, especially in an erratic motion fashion, it is beating off. See also on the rag and otr for malfunctions of a 5-7 day nature

When you're doing something musically and accidental get off beat.

when a girl puts a trashcan between her legs and rubs on it