Swim in her butt Share definition Flag To penetrate a fat juicy ass. Wet anal sex. "Woah Frank, did you see that ass just now?.... "I'd swim in her butt." Swim in her butt by Frankie Trendzilla March 27, 2019 0 0 Get merch Get the Swim in her butt mug. Buy Now — $32.95 See more merch