Also known as W.O.W., this is Entensity.net's service to all us wankers out there. Every Wednesday, they reward their loyal viewers with a full length porn clip!
Hey, it's Wednesday! I'm gonna go see what's on Whack-Off Wednesday today! And maybe I'll whack-off!
by PMastaChris May 1, 2008
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When more than one males (excluding females) compete in games concerning the ejaculation of semen. No female spectators are allowed at these events.
David Marcus was disqualified from the wack-off olympics for using performance enhancing drugs. However, he got gold in the smallest penis event.
by David Marcus October 28, 2004
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Whack-Off Wednesday is a day that most young guys observe by jacking off on Wednesdays.
Whack-Off Wednesday is a day I never miss!
by USAF Cadet November 13, 2020
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A flashlight with an internal magnet and coil; marketed as a light without batteries to go dead. Performs poorly and requires a vigorous whacking off motion to make the magnet generate as much light as a candle.
The batteries in my Maglite were dead so I had to use my whack off light.
by GSpunk December 12, 2006
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The art of masturbation while unlocking your inner Chi, and reaching a level of Zen equivalent to that of Mr. Miyagi
Human A: Dude, I feel so Zen right now. Ima go Whack on, Whack off
Human B: You mean Wax on, Wax off...… Right?
Human A: No dude, I mean Whack on, Whack off
by Mr. Frogman September 28, 2019
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Similar to "Walk it off."

An appropriate response when conversing with sexually frustrated individuals who have no future mating prospects.
James: "Dayum! I'm horny and no girl will sleep with me. Not even Gretta, the unibrow girl."
Morty: "Whack it off, James... Just whack it off."
by nevarine July 4, 2011
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One who is skilled at the art of bullshitting.
"Professor Morris is quite the whack-off artist, no?" remarked John.
by Joe Nobody January 20, 2004
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