bowl floater
Refers to a snobby, skinny female, with either a skinny, shapely, or large butt, who eats fruit and nuts for breakfast and salads for lunch and dinner, thus making her poop invariably float to the surface when she takes a dump.
Dude, she is such a snob. I took her for a steak dinner and she ordered just a salad. I put up with it, but later discovered after we did the deed, that the droppings she left in the toilet were translucent and floating like a stick in a lake. Wow! She was so snobby and tight I should have figured her for a bowl floater.