the balls; the testicles
The water is going to freeze the balls.
— Diários de Motocicleta (2004)
O objetivo é colocar todas as bolas no balde antes que o tempo acabe.
The goal is to get all the balls into the bucket before time runs out.
E as bolas de golfe ele sabia delas, não?
And he knew about the golf balls, didn't he?
— Mother - A Busca Pela Verdade (2009)
Venha, pai, ajude-me a procurar as bolas!
Come on, Dad, help me look for the balls!
— Sobre Meninos e Lobos (2003)