So, about uppity god (4)
I believe the answer is:
eros
'god' is the definition.
(Eros is an example)
'so about uppity' is the wordplay.
'about' becomes 're' ('re' means regarding or about).
'uppity' shows that the letters should be reversed in order (in a down clue, words go 'up').
'so'+'re'='sore'
'sore' in reverse letter order is 'EROS'.
(Other definitions for eros that I've seen before include "Greek love-god" , "Orbiter" , "Greek equivalent to Roman Cupid" , "Arrow shooter" , "Piccadilly 14 ac statue" .)