If you've never seen a "sly smile" before, you may have trouble imagining what it looks like, what it means, or when it's appropriate for you to grin this way. Not to worry! This comprehensive guide to will bring the inside scoop on smiling slyly, so you know exactly how to do it yourself and what other people who do it are probably thinking. We'll also explain the difference between a sly smile and a smirk (no, they're not the same!) and share popular sly smile memes you may have seen on social media and in your messages.
Sly Smile Meaning
When someone wears a sly smile, they may know something you don't and are purposely concealing it from you. It may also amuse them that you don't have their inside knowledge. While smiling slyly, they may slightly lift one or both corners of their mouth. They may also lower their eyelids to slits and arch their eyebrows.