1 definition by Guildensternenstein

A derogatory term for a person whose constant social faux pas, obnoxious mannerisms, unrealistic expectations and general ineptitude render them bothersome to an inordinate degree.
Wow, Emmett spilled tea on himself in the middle of class while discussing The Sorrows of Young Werther by Johann Wolfgang von Goethe; he is indeed a headass.
by Guildensternenstein April 28, 2010
Get the Headass mug.