This word is a combination of the words Huramentado and Rolando Mendoza a well celebrated hostage taker who killed 8 Hong Kong tourist Nationals. ~ bit.ly/cB9Cba
Huramentado means frenzied as if possessed by a demon.; "the soldier was completely amuck"; "berserk with grief" -- bit.ly/bKf8e0
The man went huromen. That man is a huromen.