I’m pretty sure I saw…er, I mean, a friend saw something like this Doody Head game in a German “special interest” video:

Basically, it’s sorta like playing beanbags, I guess, where instead of beanbags you’re throwing fake poop, and instead of throwing them at some area on the ground, you’re throwing them at a hat the other player is wearing, and hoping they stick.
Here it is in action, with a pretty girl demonstrating:
I may have awoken some strange feelings in some of you, for which I apologize.
(found at this Amazon store listing)