Either way it's out of the question (3,2)
I believe the answer is:
not on
This clue is a double definition.
'either way' is the first definition.
'out of the question' is the second definition.
(I've seen this before)
'it's' acts as a link.
(Other definitions for not on that I've seen before include "Unacceptable (colloq.)" , "Modern phrase for unacceptable" , "Colloquially, cannot be tolerated or accepted" , "Improper - impossible" , "Informally, can't be accepted or tolerated" .)