'The Wonbang' is a south bucks term for a pro-aggressive punch, often derived from the sound of ones fist being hurled through the air, before crashing into another's face.
The absolute triumph of an activity in the face of obvious and ongoing adversity.
The whole spicy team successfully overcame the many challenges relating to the development of this newfangled way of doing things. It was a triumph and every employee exclaimed "Wobango!".
When you fail at something in life (eg. failing an exam or not getting a job), go home and spend an hour just standing in the shower, propping yourself up against the wall with your eyes on your feet.
Caleb knew the only thing to do after he didnt get prefect was take a failure shower.