I always got a kick out of hex words (words that only use hexadecimal characters). If you are similarly deranged, Ned Batchelder has generated an awesome list of hex words for your viewing pleasure:
Lots of these words are obscure, and therefore useless. For example, what’s an abaca?
Perfect for making your own T-Shirt. Like, you could put 7e55e118 below a mesh , and only CG hackers would understand.