peanut butt air Share definition Flag When somebody eats so many peanuts that it causes them to fart Hide the peanuts real quick. Last time he ate so many he had a bad case of peanut butt air peanut butt air by Lyricalroger August 31, 2014 0 0 Get merch Get the peanut butt air mug. Buy Now — $32.95 See more merch