Getting a tattoo is an incredibly personal decision that says a lot about you. The following images are of people who have gone web 2.0 and opted for a twitter inspired tattoo. I personally would be worried about having a permanent tattoo for a website that has only been around a few short years.
You could end up with the modern equivalent of a Sinclair C5 Tattoo!
1. Belly Twitter
2. Fail Whale
3. I 
twitter
4. Follow me ““ to the top
5. Butterfly Twitter Tattoo
You realise all of them are photoshopped except number 2 right?
the legs are actually pantyhose you can find on etsy.. not tattoos.