Stream Winnebago Man Online Free – Watch Full Movie from Home at 123Movies. . Jack Rebney is the most famous man you've never heard of - after cursing his way through a Winnebago sales video, Rebney's outrageously funny outtakes became an underground sensation and made him an internet superstar. Filmmaker Ben Steinbauer journeys to the top of a mountain to find the recluse who unwittingly became the "Winnebago Man".