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

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 27, 2004

by USAF Cadet November 12, 2020

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.
by GSpunk December 14, 2006

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
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

by Joe Nobody January 20, 2004

When you beat off with your hand the the opposite position as it would normally be. Your thumb is closest to the base. And your pinky is extended up into the air.
by Metalideth April 16, 2003
