The Chongka (Chewbongka) is the further development of a Bongka. The Bongka is a Forward Loop into Flaka and got invented by Tonky Frans and the Chewbongka is a Cheese Roll into a Flaka invented by Balz Müller.

Chewbongka by Balz Müller
More Chongka
Chongka – Gollito Estredo
Chongka – Balz Müller
Moves by Balz Müller
Swackloop Eslider – Balz Müller
Cheese Roll one handed – Balz Müller
The Chock – Balz Müller
Pasko – Tabasco – Balz Müller
Cheese Roll – Balz Müller
Shifty Shaka one handed – Balz Müller
Air Funnell into Burner into Funnell – Balz Müller
Jump Crash – Balz Müller
Burner no handed Crash – Balz Müller
Shifty – Balz Müller
Double Cheese Roll Crash or Cheese Roll into Spin loop Crash – Balz Müller
Switch Shifty Crash by Balz Müller
if it was less intensely tail first could be a double!
Should call it chonka not chebonka.