We used to have some fun like that also. Back when Hammer ruled the world, a friend of mine used to have "Malicious Mallet" engraved under the Hammer logo on his 2 or 3 balls. Of course being the rebel that I was, I took a new U2 when it came out and put "F_@k right besides the U2............I used to get some pretty dirty looks at times from people without much sense of humor.