Medic in Austria on vacation, pulled up kinky sex trousers - spicy stuff! (6)
I believe the answer is:
madras
'medic in austria on vacation' is the definition.
Although both the answer and definition are singular nouns, I don't see how one could define the other.
'pulled up kinky sex trousers spicy stuff' is the wordplay.
'pulled up' shows that the letters should be reversed in order.
'kinky sex' becomes 'SM' (S and M, sadism and masochism).
'trousers' means one lot of letters goes inside another (trouser can mean to steal or take).
'spicy stuff' becomes 'arda' (I can't justify this - if you can you should give a lot more credence to this answer).
'sm' enclosing 'arda' is 'sardam'.
'sardam' backwards is 'MADRAS'.
Can you help me to learn more?
(Other definitions for madras that I've seen before include "Variety of curry" , "Indian city now recalled" , "city out East" , "Indian city now known as Chennai, and medium hot curry" , "Cotton fabric; hot curry" .)