Poopsack

Noun
Oyster, where I live oysters are called poopsacks because they filter out impurities in the water.

They have a small pouch in them that is excrement that gives it its unique flavor.

Jim and Tim went to the shucking shak to eat some poopsacks ( or poopers)

Turdburg

Noun
A hotdog or sausage. It’s long cylindrical shape is reminiscent of a turd.

Jim and Tim went to the frontier hot dog stand to purchase some turdburgs