Your Mom Share definition Flag Your Mom is used as a Joke/Insult most of the time. It usually doesn't make sense but is funny. Guy: Damn, Kim Kardashian's Ass is F A T Another Guy: Not as fat as your Mom's! Your Mom by somethingornothingYT December 1, 2021 0 0 Get merch Get the Your Mom mug. Buy Now — $32.95 See more merch