So can I. When someone is naturally skinny, they don't look all skin and bones. When they have starved themselves to be thin, you can see their bones and how they look and they don't look as pretty.
But it all depends on how we define skinny. To me when I use the word skinny, it means anorexic thin. Skinnier than me. Someone who has the body type like Amanda Bynes. if I were thin as her, I'd be unhealthy and would have to starve myself to get there because my body isn't made to be that way and my bone structure is different than hers.