fighting wordsfighting words
Informal a remark that stirs up antagonism
Words that one uses to provoke a fight or hostility: “Fighting words are categorically excluded from the protection of the First Amendment &ellipsis; [because] their content embodies a particularly intolerable and socially unnecessary mode of expressing whatever idea the speaker wishes to convey” (Antonin Scalia).
fighting words - Legal Definition
Speech not protected by the First Amendment because it is intended to bring about a violent response.