Slutbagel Share definition Flag A derogative for a person who throws childish insults at people on a repeated basis and feel no need to better their vocabulary. "After continously calling his sister a turdburglar, Rec was deemed a slutbagel by the family." Slutbagel by Jaida July 27, 2005 0 0 Get merch Get the Slutbagel mug. Buy Now — $32.95 See more merch