Top Definition
A male who frequently masturbates

Can be used as an offensive term -

"George Bush is a Bag Whacker"
"That bloke's a bag whacker"

"He can't get a girl so he just whacks his bag all day long"
by david81 April 01, 2006

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×