
[$22, Seibi]
Ah, poop jokes. Definitely not the height of comedy, and quite possibly the depth. Yet, the mere act of mentioning poop, as seen on the shirt above, is nowhere near as gross as this:

I can't find whether this is an actual product, though I'm kind of guessing/hoping not.
[Via Book of Joe]
Related: Cat Poop Coffee, An Elephant Never Forgets to Send a Thank You Note, Send Your Enemy a Pile of Poop