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OK, maybe not really.
But if I did have one, I'd definitely take a picture of it for inclusion on this site, Carl Zimmer's Science Tattoo Emporium. It features a bunch of nerdy tattoos, ranging from molecules to computer keys to entries from the periodic table of elements.
I've never wanted a tramp stamp more in my entire life.
The pic above, by the way, is a serotonin tattoo. The poster describes it as her favorite neurotransmitter.