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.

When someone goes to the gym and spends 90% of the time on their phones scrolling through social media

When someone freestyles and say they have bars otherwise their wack

A bar so wack, a rapper probably shouldn't have spit it. But then again - who says wack has to be so whack?

When someone freestyles and say they have bars otherwise their wack