Tattoos. They're just tacky, unsophisticated, and rubbish - extra especially celtic symbols etched into the smalls of women's backs. Bah!
The only interesting tattoos are those on sailors and the weird indelible doodles you sometimes see on the arms of ex-prisoners.
Postscript
I gave this subject more thought as I walked home last night, and I'd like to extend my hatred to holders of personalised car number plates and people who run weblogs.