English Adjective horse-faced (comparative more horse-faced, superlative most horse-faced) Having a long face. 1941, Herman J. Mankiewicz, Orson Welles, Citizen Kane (motion picture), spoken by Jedediah Leland (Joseph Cotten), RKO Radio Pictures:Bernstein, am I a stuffed shirt? Am I a horse-faced hypocrite? Am I a New England school marm?Wikiwand - on Seamless Wikipedia browsing. On steroids.