Bargain vasectomy (4)
I believe the answer is:
snip
This clue might be a double definition.
'bargain' is the first definition.
(slang term for a good deal)
'vasectomy' is the second definition.
The definition and answer can be both acts as well as being singular nouns.
Perhaps you can see an association between them that I don't see?
Can you help me to learn more?
(Other definitions for snip that I've seen before include "Cut back" , "Cut using pins" , "Bargain (informal)" , "Quick cut - something easily done" , "Bargain - crop" .)