Poop In Grandma's Mouth
From Create Your Own Story
You say, "Grandma, I gotta go poo-poo."
She points to her mouth, and it grows to the size of a Hummer, and she says, "go right in here."
You get inside, pull your pants down, but before you manage to crap, she eats you and says, "Oh shoot, I should have raped him first."
THE END