Of course you are, you're on the internet.

Inspired by this:
http://www.guardian.co.uk/science/blog/2010/oct/28/geek-nerd-calendar

I think the geekiest thing I've done recently is buy some plastic drawer/storage things, and organised my lego by colour. (Separate drawer for minifigs, wheels, specialist parts)
Geekiest thing I've ever done? Probably something involving games workshop and inventing my own chapter of space marines.