to do nothing productive -- to waste time -- shoot the shit poop around dick around
I didn't complete the assignment. I was just jacking off the whole time he gave us to complete it
by Anonymous October 29, 2002
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to use your hand or an instrument to stimulate the male genitalia, ultimately resulting in an orgasm.
It helps to think about kinky sex trysts with five-year-old boys when jacking off. You will cum quicker.
by GuidoPosse69 February 6, 2005
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A spin off of the Jackass Mtv show.
(aka a jackass spinoff is a jack off)
The Bam show is a Jack off.
by kinogottx July 10, 2004
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When Spider-Man rubs his wrist using his hand until a white sticky substance is released, often called, "His Webbing". Spidey often uses this "Webbing" as a form of transportation among other things in order to save the day. This is why when Spider-Man isn't horny, the day does not get saved.
Person - "Help, I'm being robbed!"

Spider-Man - "*Frantically rubs his wrist and moans* Come on you son of a bitch!"

Person - "Is he jacking off?"
by Zaza the Crazy Rogue June 28, 2007
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In Yu-Gi-Oh, when you use 2 Tuners and 1 non-Tuner to summon a Synchro Monster as opposed to the 1 Tuner and 1 non-Tuner
I can't believe he's jacking off into Red Nova Dragon.
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rubbing your boner for insane sexual pleasure
masturbation
I'm jacking off as I type this sentence.
by lolwhatisthis March 31, 2009
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