Torment me on the radio? (5)
I believe the answer is:
tease
'torment me' is the definition.
'tease' can be an answer for 'torment' (teasing is a kind of tormenting). I am not certain of the 'me' bit.
'on the radio?' is the wordplay.
'on' is a charade indicator (letters next to each other).
'the' becomes 't' (the is pronounced as a 't' sound in some dialects).
'radio?' becomes 'ease' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
't' put next to 'ease' is 'TEASE'.
Can you help me to learn more?
(Other definitions for tease that I've seen before include "Torment for fun" , "Torment lightly" , "Deride" , "Pull leg of" , "Irritate playfully" .)