To smack, woup or otherwise use hand to buttucks contact while dancing, listlening to or playing country, bluegrass, hilljack music.
by JB Mike January 5, 2011
My friend and I were out bush wackin when we knocked on a KKK member's car. Him and about 3 other KKK guys jumped out and chased us through the woods.
by pink pony October 28, 2003