It's a few years old, but this essay on tattoos
by Theodore Dalrymple is still worth reading. A sample:
One cannot but feel sorrow for people who think that by permanently disfiguring themselves they are somehow declaring their independence or expressing their individuality. The tattoo has a profound meaning: the superficiality of modern man's existence.
Anthony Daniels is the real name of the pseudonymous Theodore Dalrymple, a fact useful in tracking down the scattered online essays of this extraordinary doctor and writer.