A piece of media very simplistic in nature that portrays a deceptive piece of propaganda. Most often an undoctored photo with a caption so outlandish that only stupid people would believe it.
Gary: “Dude! I read online that Bernie Sanders isn’t even an American citizen so I’m going to vote Trump again!”

Andrew: “Gary! You stupid twat! Stop reading dumbfake propaganda”
by Summer of Chris August 17, 2019
Get the dumbfake mug.