Blunt instrument (6)
'blunt instrument' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for cudgel that I've seen before include "Heavy staff used as a weapon" , "Stick-like weapon" , "brain" , "A ruffian's club" , "Batter" .)
'blunt instrument' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for bludgeon that I've seen before include "Blunt instrument" , "Club used maliciously" , "Thick stick as weapon" , "Thick stick with a heavy end" , "Hit with a heavy club" .)