This person is so tall he tripped over a rock and hit his head on the moon.
This person is so tall she sit on the london bridge to soak her feet.
This person is so  big she takes a bath in niagra falls.
This person is so skinny he hula hoops with a cheerio
This person is so skinny she only has one belt loop.
This person is so skinny she can grate cheese on her ribs.
This person is so skinny he hid behind a stick during hide and seek.
This person is so skinny he turned sideways and disappeared.