by Jimbo bob June 25, 2018

by rekoem February 12, 2009

This is much like the infamous "punch buggy." When you see a car with wood paneling, you turn to your nearest friend, smack them, and exclaim, "Beaver Whack! No Beaver Whack back!"
by Nichole! June 25, 2008

The interview that included the phrase "crack is whack" was with Diane Sawyer on Primetime, not Barbara Walters. Please correct.
by Joseph Brant August 24, 2007

The backhanding of a man's genatalia causing extreme pain and can cause him to fall down and cry like a 6 year old girl.
A sac whack can be performed mid way through a conversation to maximise laughter and unexpected pain.
A sac whack can be performed mid way through a conversation to maximise laughter and unexpected pain.
Eg:
Bob: "Hey man wanna go down to Smoky Jim's and get a bur-"
Steve: "SAC WHACK!" *backhands bob in groin*
Bob: "Hey man wanna go down to Smoky Jim's and get a bur-"
Steve: "SAC WHACK!" *backhands bob in groin*
by Dick Cheese July 4, 2005

by Yakov the Jack off September 29, 2003

While jerking off a man, with the free hand you hit the tip of the cock with an open palm as if you are playing the popular carnival game "whack-a-mole".
I'm so pissed at Tommy for flirting with that fat broad at the bar. When we go home I'm going to jerk him off "whack-a-mole" style.
by WeezieCletusBBH May 2, 2009
