Bubblegum, in her lab coat, reveals her big-boobed, shaved pussy, explaining her hypothesis: Finn's giant cock can withstand her tight, experimental cunt. She deepthroats him, saliva drooling, before mounting him. Her big tits sway as she rides his massive shaft, her pussy stretching to accommodate him. Finn's scientific discovery? Bubblegum's pussy is a perfect, tight fit for his cock.