Terrible uproar involving a male lover (8)
I believe the answer is:
paramour
'lover' is the definition.
(paramour is a kind of lover)
'terrible uproar involving a male' is the wordplay.
'terrible' indicates an anagram.
'involving' indicates putting letters inside.
'a male' becomes 'am' (I've seen this in other clues**).
'uproar' with letters rearranged gives 'parour'.
'parour' going around 'am' is 'PARAMOUR'.
(Other definitions for paramour that I've seen before include "A married person's secret lover" , "Kept woman" , "courtesan" , "wife's toy boy, for example" , "fancy woman" .)