Either aspect of flagellation that hurts temporarily (3,3)
I believe the answer is:
for now
'temporarily' is the definition.
(I've seen this before)
'either aspect of flagellation that hurts' is the wordplay.
I cannot really understand how this works, but
'either' could be 'or' (I've seen this in another clue) and 'or' is found in the answer.
'of' could be 'o' and 'o' is found within the answer.
This explanation may well be incorrect...
(Other definitions for for now that I've seen before include "temporarily" , "Until later" .)