Rapscallions (4)
I believe the answer is:
imps
'rapscallions' is the definition.
('imp' can be a synonym of 'rapscallion')
This is all the clue.
(Other definitions for imps that I've seen before include "Little devils or scamps" , "Troublemakers" , "Children causing trouble" , "Cheeky little devils" , "Little rascals" .)