YWD: Sit down and defecate?
From Create Your Own Story
You sit down and push. You feel your poo emerging into your panties, the material tenting away from your buttocks as more and more of the turd comes out. It seems to be a particularly large specimen, and when it eventually breaks off, your panties are sagging under the weight of quite a monster poo. Warm and sticky, it feels nice against your bottom. Will you: