'Frito Feet' is the name of the phenomenon in which the bacteria on a dog's paws cause them to smell like corn chips. Because a pup's feet are in constant contact with the ground, they pick up tons of microorganisms in their paws. When dogs cool off by sweating through the pads of their feet, the combo of moisture and bacteria releaces a nutty, popcorn-like aroma. Basically it's dog B.O.
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