Poo skin
The thin skin like fecal material left floating in the toilet that resists flushing due to it's buoyancy.
Nasty! Who left the poo skin?
Poo Skin
A badly rolled Spliff, usually doesn't toke and drips tar.
Nice Poo Skin you've rolled here Jon.
Make sure you don't roll a poo skin.
Make sure you don't roll a poo skin.