1.) To play basketball, live the good life.
2.) When having sex, a mans balls hit the womans vagina.
A person, typically from a high crime area, publicly disregarding any/all societal rules especially, but not limited to, traffic laws.
People be ballin out in stolen whips at Oakland sideshows.
ballin means that either someone is really good at basketball
"Baby, I was born ballin' and I'm gonna be ballin' the rest of my life!" (Fats Waller - 1943)
Watching thick men walking down the streets and looking at their fat juicy bounchy peach.