No matter which way you looked, chances are you would see Pamela Anderson or her gigantic chest bouncing around on TV. Back then, there was no focus on all the wonderful bootys of the world due to how strict censorship was on television. Underboob is cleavage visible from the part of the shirt that covers the bottom of the female breasts. Why is this so attractive? All girls show off their cleavage daily with their daily wardrobes. Even business attire can give us a nice glimpse of what is going on with their chesticles.