Wife wasting time on some current art provocateur (7)
I believe the answer is:
duchamp
'wife wasting time on some' is the definition.
I don't know anything about this answer so I cannot tell whether this works.
'current art provocateur' is the wordplay.
I cannot quite see how this works, but
'current' could be 'amp' (electricity) and 'amp' is found in the answer.
This explanation may well be incorrect...
Can you help me to learn more?
(Other definitions for duchamp that I've seen before include "US painter" , "French-born artist" , "Marcel --, French artist" , "US artist" .)