1.A disorder used to describe a stunt man/women who over acts or is "melodramatic" when he/she is performing a stunt.
Ben:Dude, c'mon dude point the camera the fight man, no one wants to hear what your wearing you Smith Syndrome having mother fucker.
2.Roy:gets hit with stick owww, owww, owww man fuck, owww god that hurts, owww fuck.
Ben:Are you gonna shut up or are you gonna keep bitching
Roy:Dude that was insane
Roy:Dude your suffering from Smith Syndrome bro.