Can you order a bag of poop and have it delivered to someone's doorstep with PoopCoins or ShitCoins?
That'd be so awesome.
Maybe you could contact these people and ask if they will accept it
http://www.shitsenders.com/Its a prank site that sends packages of exotic animal feces to people's doorsteps, and then tricks them into reaching into it to find out who sent it, but it doesn't actually say who.