October 31 Share definition Flag It is Halloween and national hug your crush, best freind, or girlfreind day. You can do because they won't know who it is because you will be all dressed up. Hey come see it's October 31. Eat candy with your crush, best freind, or actual girlfreind. October 31 by DixieDog15 October 29, 2019 Get the October 31 mug.