The Collaborative International Dictionary
jerk off \jerk` off"\, v. i. To masturbate. [vulgar slang]
Syn: whack off.
Douglas Harper's Etymology Dictionary
Wiktionary
n. (context vulgar slang US English) an annoying person. vb. (context dated English) (&lit jerk off English)
WordNet
v. get sexual gratification through self-stimulation [syn: masturbate, wank, fuck off, she-bop, jack off]
Usage examples of "jerk off".
And it turns me on so fuckin' bad that I have to jerk off sometimes just thinking about it.
If he wants you to tapdance and jerk off at the same time, you'll do that, too.
Move my hand over my hard-on, try and jerk off for a little while, reach beneath my bed and pull out the October issue of Playboy, reach a little further and find Penthouse.
When we were alone he would tell me what a sludge I was to jerk off to a friend's _sister_.
But it quickly grew hard as Hammer wrapped his fingers around the rubbery shaft and began to jerk off.
Taking off my clothes for a bunch of horny guys to jerk off over is not my idea of a good time.
I watched her raise her hand, jerk off her glasses, and toss them across the room.
And here was a gay poet with large aspirations: LET THE HOLE HUMAN RACE/JERK OFF ON MY SMILING FACE.