What are boobs really?

"Remember that those are called Brain Bags. The bigger they are, the dumber the person" he said.

"Yeah. So those are brain bags. Guess it makes sense that you wouldn't know given how massive yours are" Coco said firmly

"What the heck is THAT supposed to mean?!" Yang huffed.

"Well the bigger they are, the less brain you have - or in other words, the dumber you are." She replied.

Yang crossed her arms, putting her nose up in annoyance.

"Well I'll show you how smart I really am!" She declared.