Stinger
I believe the answer is:
barb
(Other definitions for barb that I've seen before include "Hurtful comment" , "Twisted point of hook" , "part of a habit" , "Stage whispers" , "Insult" .)
I believe the answer is:
barb
(Other definitions for barb that I've seen before include "Hurtful comment" , "Twisted point of hook" , "part of a habit" , "Stage whispers" , "Insult" .)