Throw backhander (4)
This clue is a double definition.
'throw' is the first definition.
(hook is a kind of throw)
'backhander' is the second definition.
(thesaurus)
(Other definitions for hook that I've seen before include "leader of pirates" , "Barb" , "Short swung boxing blow" , "Peg for hanging" , "Peter Pan captain" .)
But I've got no explanation for this one! Could you help me understand?
(Other definitions for bung that I've seen before include "Stopper, plug" , "Spigot or cork" , "illegal incentive" , "Throw; stopper" , "Large cork" .)