Someone who says complete gibberish. From the urban-english "whack", meaning crazy and "bar" meaning Isaac. It applies to those who talk about star formations having a profound effect on the world, religiously, as we know it. Wackbars tend to live around populated bus stops.
by Chris October 2, 2004
A bar so wack, a rapper probably shouldn't have spit it. But then again - who says wack has to be so whack?
by wackbartees April 19, 2021