Dat Boi meme is a 3d character model of a cute green frog that rides a unicycle usually accompanied with a text - here comes dat boi, or other slang texts. Dat Boi is a slang version of that boy. It all started with FunnyJunk where a user tehbestever used a photoshopped image of a boy with the text most wanted criminal arrested, and a boy named on an image as Dat Boi. But really viral spread Dat Boi meme with a frog on a unicycle got on Facebook on April 3rd, 2016. A meme custom progress bar for YouTube with Dat Boi Meme.