Ruffnut really should stop engaging him but the subject was fascinating to her.

"So what makes for higher bounces?" She wondered out loud. "Squish? Or muscle? Or bone?" Her brother had a boney butt, a fact she was intimately aware of for how many times he had landed or sat on her during a fight. Her own bottom according to him was huge and was like having a Gronkle land on you. She usually punched him when he commented on her bottom.