Fruit bats (7)
This clue is a double definition.
'fruit' is the first definition.
(I've seen this before)
'bats' is the second definition.
(I've seen this before)
(Other definitions for bananas that I've seen before include "Fruit; mad" , "Mad - curved fruits" , "bats" , "off 27 [TROLLEY]" , "nutty" .)
(Other definitions for nuts that I've seen before include "Slangily crazy like hard fruits" , "Delivers 24 [HEADBUTT]" , "Bonkers" , "Crazy (sl.)" , "Crazy; food" .)