South African or Indian slang term for penis/male genitalia. Mostly used to be disparaging or degrading and is essentially the same (in meaning and usage) as the Engish term 'dick'. It is used to fathom ones character in its crudest sense - "...being a Vas Bala!"
Parents can be seen to call their son Vas Bala if they were not happy with the child at birth in some cultures. This is almost a curse to the child to not living up to parental expectations.
Man to friend: "You run like a Panzy. "
Friend: "Suck my bala"
Friend to Man: "Your mother..."
Man: "Your a fuckin' Vas Bala"