heckler’s veto
n.— «In a letter to Mr. Koch, Dorothy J. Samuels, the Civil Liberties Union official, said that “to allow this kind of “heckler’s veto’ bodes poorly for the free exchange of diverse and sometimes unpopular viewpoints in this City.”» —“Rugby Decision Criticized” New York Times Aug. 12, 1981. (source: Double-Tongued Dictionary)