bolly-ball - noun: a game played using a bolly-ball (duh) and a net on a warm sandy beach.
me: L, look at this. This is what you and K are going to do, play volleyball as a pair and go to Stanford on a free ride and then to the Olympics and we won't have to pay for your college but we'll get to go watch you winning.
L: Mama, bolly-ball!
M: Hmm... yeah.
me: They won't have to wear those short-shorts!
M: Right, you'll tell them not to and they'll listen to you.
K: Actually, it's volleyball.
K: No! Volleyball!