Top Definition
Of or pertaining to masturbating in a shed, shanty town, or other run down building.
Wackin in the shack was fun for a while, until my dad found out and started doing it with me.
by Wackin in the shack February 21, 2003

Free Daily Email

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

Emails are sent from We'll never spam you.