head-emptier

noun1

1. •
   (rare) Anything mindless; something that does not involve thinking.

   • March 6 1992, National Public Radio, "LAWNMOWER MAN" A FUN, BAD MOVIE And for all the goofiness and great yawning gaps of plot logic, "The Lawnmower Man" is a fun bad movie, a diverting head emptier, a movie Twinkie.