The Dark Backward

Garbage man Marty tries his hand at standup comedy and fails miserably until he adds the third arm to his act that mysteriously grew out of his back.

The Dark Backward is a 1993 comedy movie directed by Adam Rifkin, starring Bill Paxton, Judd Nelson, Lara Flynn Boyle. It holds an IMDb rating of 5.7/10 from 2,758 votes and runs 1h 41m.