an hero /æn ˈhɪəɹəʊ/noun 1verb 1forms 4 noun1 •(Internet) A suicidee; one who commits suicide.In the clip, Dave Mustaine (our hero of the story, yet not yet "an hero") is shown recording "Through the Darkest Hour" a song about wanting to kill yourself because your bird left you. — 2007 verb1 •(Internet) To commit suicide.So an hero already. — 2009 formsan heroed · an heroing · an heroes · an heros