S&M flipping entertains one of two old ladies (7)
I believe the answer is:
mothers
'two old ladies' is the definition.
The definition and answer can be both people as well as being plural nouns.
Perhaps you can see a link between them that I don't see?
'sm flipping entertains one' is the wordplay.
'flipping' is an anagram indicator (I've seen 'flips' mean this).
'entertains' is an insertion indicator.
'one' becomes 'other' (I can't explain this - if you can you should believe this answer much more).
'sm' with letters rearranged gives 'ms'.
'ms' placed around 'other' is 'MOTHERS'.
'of' acts as a link.
Can you help me to learn more?
(Other definitions for mothers that I've seen before include "Fusses over" , "Parents" , "Dams" .)