jack off

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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jack off

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 5, 2005

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jack off

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 9, 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 August 12, 2007

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