Reply #82: I'm also:

[OxQQme]

metrognome,
flyonthewall,
hoosierdaddy,
bonedaddy,
depending upon the site.

OXQQME is also on my vanity plate on my teensy little 44mpg Suzuki Swift.
It pleases me to be sitting at a traffic red light, looking in the rear view at the people waiting behind me trying to figure out what it means, and the big smiles when it becomes clear that it say's
"Oh, excuuuuse me"