You’ve probably seen the incredible video on YouTube called “Winnebago Man,” which is the outtakes of a Winnebago salesman trying and failing hilariously to make a marketing video. Every time he stumbles over his lines there’s another incredible foul-mouthed tirade. But who was this man? And what happened on that day 20 years ago that got him so fired up? To find out, Documentary filmmakers tracked down the man, Jack Rebney, now old and crotchety as ever, living in his mountain house, and the result is Winnebago Man and it looks awesome. Here’s the gloriously profanity-laced NSFW trailer:

Here’s the original Winnebago Man clip.

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