What does this quote frome The Big Lebowski mean?

"sometimes you eat the bar, and sometimes the bar eats you" my father and I are having an argument over this quote. He insists that it is the cowboy's accent, and that by "bar", he means "bear". My mother thinks that it is refrencing passing out on the bar and "eating... show more "sometimes you eat the bar, and sometimes the bar eats you" my father and I are having an argument over this quote. He insists that it is the cowboy's accent, and that by "bar", he means "bear". My mother thinks that it is refrencing passing out on the bar and "eating bar" or something. What does he mean by that quote?
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