provocation [provocations](act of provoking) noun [UK: ˌprɒ.vəˈk.eɪʃ.n̩] [US: ˌprɑː.vəˈk.eɪʃ.n̩]He's a master of provocation. = È un maestro della provocazione.
red rag to a bull(something that will enrage another particular person) noun
stinger [stingers](anything that stings mentally or psychologically) noun [UK: ˈstɪŋə(r)] [US: ˈstɪŋər]