1. A stupid, incompetent, or contemptible person, esp. a low-level criminal or thug who is easily manipulated or expendable
   "That mook couldn't even tie his own shoelaces"
    
2. (in fiction, gaming) a stereotypical minor character, often used as cannon fodder or comic relief
   "The hero effortlessly fought off a dozen mooks before confronting the main villain"

Derived forms: mooks

Encyclopedia: Mook, Kentucky