That's a large part of why these smiling dog memes are so effective. The other part? They're just out-and-out funny. ... The Smile Is Cute, but We hope There's an Extinguisher Nearby.

Cancel all of your plans for Sunday, Aug. 26. Why? It's National Dog Day on Aug. 26, and that means that it's the perfect time to cuddle with, pet, and talk in your dog voice (you know what I mean ...

Of course, since they are so cute, we think essentially everything they do is meme-able. ... These nine memes are going to make any dog lover smile. Get ready for an ultra-boost to your day.