Looks like a TP monster that would go nicely with the over/under post.

Basement toilets need grinders to help waste travel upward, this may be a solution for those devices and if you use the basement toilet regularly then it should be enough to keep it from coming out looking for food.
By the way my neighbor just ran over and asked us for our plunger an hour ago. Would you let your neighbor borrow your plunger or would you just let him keep it?