stinger

stinger (http://definr.com/stinger)

     n 1: made of creme de menthe and brandy
     2: a remark capable of wounding mentally; "the unkindest cut of
        all" [syn: cut]
     3: a sharp organ of offense or defense (as of a wasp or
        stingray or scorpion) often connected with a poison gland
     4: a sharp stinging blow