Two Boys + One Ball = WTF?

My two sons play a game at the pool that appears simple from a distance-- you see two children bopping a ball back and forth on the concrete-- but if you get within earshot, you'll realize that playing "boxball" is slightly more complicated than running the Indianapolis offense . . . the game begins with the winner of the previous match reciting the rules that will be in effect for the next game, and he may say any combination of the following: old school . . . including singles, doubles, triples, quadruples, and quintuples, sushi (using any part of your body), sushi cut (a slicing shot that can only bounce once), black and white magic (various spins that return the ball to the server), time bomb (you can throw the ball away and count to ten . . . the opponent has to get the ball back to the court before you finish counting), cherry bomb (throw it really hard at the ground and the opponent has to catch it), ocean (a square between you and the other person), negative and positive (more spinning shots), knives (bouncing it on the corner of the box), and moose crossing (allows a timeout for outsiders to cross the court) . . . and the kids don't find it funny when I satirize this preponderance of absurdly named rules . . . I like to ask if they're playing "sucker punch" and "necromancy" and "werewolves" and "octagons" but they don't laugh at my humor, because "boxball" isn't something to make light of.