If you want to incorporate ideas from xkcd without using any of the published comics, you could come up with your own nerd snipe and put it on the front of your

If you want to incorporate ideas from xkcd without using any of the published comics, you could come up with your own nerd snipe and put it on the front of your shirt. Then put something on the back like "You've been nerd-sniped!" Make sure to hang out near busy streets and train tracks when you wear it.