Jack off

[Becky]

stimulating your penis with your hand to cause orgasm and ejaculation. Male masturbation.

[Jessica]

To masturbate.
Can also be used to unexpectedly shock people.

[Becky]

To play with your dick until you cum.

[Becky]

to look and porn and pop a woody, get some lotion, put a generous amount on your main hand (sometimes other hand if youre looking at porn on internet or computer), grip your penis, then move your hand rapidly up and down the shaft of your penis.

[Couch Potatoe]

Male masturbation; a man rapidly and repeatedly rubs his hand up and down his dick until he hits orgasm.

Done when horny, when porn is plentiful, or to get rid of a boner in class.

[Tanya Shivari]

if youre under 13: youre not cool enough to know what it means. come back when you wake up and its sticky in your danger zone.

if youre over 13: why the FUCK would you need to look up the definition of jack off? did your balls not drop yet?

[Tanya Shivari]

Jack Off: When a male masturbates.