Sarcastic dig? (7)
I believe the answer is:
cutting
This clue might be a double definition.
'sarcastic' is the first definition.
(thesaurus)
'dig?' is the second definition.
The answer and definition can be both acts as well as being singular nouns.
Maybe there's a link between them I don't understand?
Can you help me to learn more?
(Other definitions for cutting that I've seen before include "article removed from newspaper" , "something for propagation" , "Barbed" , "Channel" , "piece taken from newspaper" .)