Silly ones (5)
'silly ones' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for geese that I've seen before include "Water birds related to ducks and swans" , "Birds; silly people" , "Aquatic birds - complete jackasses" , "Web-footed migratory aquatic birds" , "Large farm birds" .)
'silly ones' is the definition.
(I know that bozo are anserine)
This is the entire clue.