Short for "Well, what you gonna do about it".
A backstabber, lowest of the low, a mofo who would sell his house for the chance to grind your face in the dirt.
If you're someone's bitch, you've been whawelled.
"You whawell, you shafted me when I was low"
A person or persons who consider themselves to be of higher intellectual and or social status than they truly are.
This guy thinks he is whawell (pronounced way-well)