My charge dropped by clumsy flapper (7)
I believe the answer is:
goshawk
'dropped by clumsy flapper' is the definition.
'goshawk' can be an answer for 'flapper' (goshawk is a kind of bird). I'm not sure about the 'dropped by clumsy' bit.
'my charge' is the wordplay.
'my' becomes 'gosh' (both are expressions of surprise).
'charge' becomes 'awk' (I can't justify this - if you can you should believe this answer much more).
'gosh'+'awk'='GOSHAWK'
Can you help me to learn more?
(Other definitions for goshawk that I've seen before include "Bird used in falconry" , "Short-winged bird of prey" .)