Laughing jackass (10)
I believe the answer is:
kookaburra
'laughing jackass' is the definition.
(synonyms)
This is all the clue.
(Other definitions for kookaburra that I've seen before include "winger in Australia" , "Strident Australian" , "He may be laughing!" , "Large kingfisher (aka laughing jackass)" , "Australian bird" .)