smiling broadly or happily; often describes the way a person's eyes narrow when they smile

to narrow one's eyes so that they are almost closed; to look through a slit between the eyelids; to half-close the eyes

eyes that are narrowed into slits, often while smiling or squinting

To narrow or half-close one's eyes, as when smiling or trying to see more clearly.

describing an expression or appearance that shows intense sexual desire or lewdness; lecherous; lustful