An event where a group of angry girls attack a man, aiming specifically for the scrotum with the intent of causing pain to the victim.
Today, a group of girls initiated a sack attack on a man trying to stop a fight between them. The unnamed man who was hospitalized shortly after the incident, lost one ball.
by Helladog January 12, 2014
When your colleague or supervisor stands so close to you while you're seated at your desk, that their balls are resting on your shoulder
Disobedient Willidan turned and noticed that he was the unfortunate victim of a sack attack by the disapproving Huxley
by netmonkey February 20, 2009