something men do in their free time
I was bored in math class when I suddenly got this huge boner. I ran to the bathroom and there were like ten other guys in there jacking off. One of them ran up to me shoved me down and ripped off my pants and boxers and started shoving his puny dick up my ass. I turned him over and shove my 9 in cock in him and he started moaning in pain and joy. I went faster and faster until i unloaded a gallon of semen in him.
by blowjobaddict April 18, 2009
What a guy will do as often as possible.
My nightly routine involves jacking off, as does my morning routine, and my midday routine.
by Derpherpderpistan February 10, 2013
Where a man gets pleasure on his dick from using his own two hands
George: Rob, guess what I just saw!?
Rob: what George?
George: I saw Billy jacking off. No girls were around at all!
by Uhohitsanoreocouple April 01, 2009
when you take your penis and stroke it up and down intill you shoot the white
that bitch would'nt gimme none last night so i pounded the ol geezer in intill my jacking off juice came.
by Kanidate September 23, 2005
Another term for the verb everyone knows and loves. Jacking off is a favored past time for numerous men and women alike that consists of slow or violent rubbing on the genital parts. This is often accompanied by various forms of stimuli such as pornography and/or sex toys.

It is important to take note that Jacking off is when the action is happening.
Male Adult: I was jacking off to some BDSM the other night.

Female Adult: That video made wet so I started jacking off.

Another adult: Man John is always horny he can never keep his Dick in his pants so guess what he did in the bathroom? I heard him jacking off.
by Jimple Sack July 15, 2014
Stroking your dick while looking at pictures of Jessica Alba in order to release your baby batter
I was jacking off to the porno of Jessica Alba
by Bobby E July 04, 2007
Engaging in extremely an extremely unproductive activity (a la doing nothing and having ur balls in ur hands) while you could be actively doing something that would benefit you or other people around you.
Zhiqian goddamnit stop jacking off in that corner and help me lift this sofa
by D "Sentry" C July 06, 2011

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