Goes round revolting sex attractions (7)
I believe the answer is:
motives
'attractions' is the definition.
(things attracting or motivating someone)
'goes round revolting sex' is the wordplay.
'goes' becomes 'moves' ('move' can be a synonym of 'go').
'round' is an insertion indicator.
'revolting' is a reversal indicator.
'sex' becomes 'it' (a common euphemism).
'it' in reverse letter order is 'ti'.
'moves' enclosing 'ti' is 'MOTIVES'.
(Other definitions for motives that I've seen before include "They're why" , "inducements" , "Reasons for action" .)