I think these are correct (hopefully), but need some help with the parsing..
Wearing trousers, also tucked in behind, particular cut - SHORT BACK AND SIDES (Particular cut) I can see 'SHORTS' but the rest....
Sense of morality beginning to collapse twice in one second, not half wicked - CONSCIENCE (Sense of morality) Why 'Not Half Wicked'?
Some mind supporter in the south of France heading north - MIDBRAIN? (Some mind) I'm not at all sure about this but it's the only word that fits the pattern
Grammatical term in awful void contract - then complain INDIRECT OBJECT (Grammatical term) I can see 'Complain' = 'Object' but why 'awful void contract' for 'Indirect'?
Landlord in drag, face hidden - OWNER?
Stay true, but regret not getting bathroom cleaner - BIDET (Bathroom cleaner)