My boss' head, you say? Intriguing. I'm picturing me, a nice 9-iron, and one of those ball pits for kids, filled with golf balls. If we could rig the golf balls to spurt blo...well, I digress.
I think you might be on to something. I wonder how cheap you could get a big bucket of paintballs, a super cheap rain poncho and a whiffle ball bat for? OOOOOHHHH Ladies, I now have new birthday party plans.