Relaxes as toff takes the mickey (5)
I believe the answer is:
eases
'relaxes' is the definition.
(ease can mean to relax or reduce)
'as toff takes the mickey' is the wordplay.
I cannot really understand how this works, but
'as' is present in the answer.
This may be the basis of the clue (or it may be nonsense).
Can you help me to learn more?
(Other definitions for eases that I've seen before include "Softens" , "Borders, margins" , "Calms" , "Relieves, lightens" , "Assuages or slackens" .)