God makes duck noise (4)
I believe the answer is:
odin
'god' is the definition.
(Odin is an example)
'duck noise' is the wordplay.
'duck' becomes 'o'.
'noise' becomes 'din' (din is a kind of noise).
'o'+'din'='ODIN'
'makes' acts as a link.
(Other definitions for odin that I've seen before include "Supreme god of Scandanavian myth" , "Chief god of Scandinavian myth" , "Scandinavian war god" , "Pagan god" , "Old Scandinavian" .)