To smize (rhymes with eyes) means to “smile with your eyes,” as coined by supermodel Tyra Banks on the thirteenth season of America’s Next Top Model.Once you master the smize, your selfies will improve! Do you smize? Sign up for free English practice and get your free guide to American slangGet our weekly newsletter and learn 30 slang words every English speaker should know! I will never give away, trade or sell your email address. You can unsubscribe at any time.