Headbangers Ball

Have you ever had fantasies while sitting at the Ref Desk?  Lately I've been fixated on a particularly obnoxious patron.  He sits at the public computers with his thrash metal music blaring so loudly that you can hear it outside his headphones. He then proceeds to pump his air guitar, neck thrashing to-and-fro, and singing along with the music. Sometimes I fantasize that in one of his grander public performances he'll thrash so hard that he hits his head on the keyboard and knocks himself out.