( hä•lŏng•frōōd•ə•mē ) The act of verbalizing untrue or misleading words or phrases in a populated public place such that any of the people in the specified place respond to said words or phrases as if they were accurate, esp. when such an act causes a panic, unnecessary fear, and/or ensuing violence.
The judge sentenced him to two years in prison for serious instances of hahlongfroodamy.
It is hahlongfroodamy to shout "Fire!" in a movie theater.