Intellidumb Share definition Flag Someone who is smart and knowledgeable, but when around some people they become idiotic and stupid. Dude was talkin' legit till Kev came in. Total intellidumb moment. Intellidumb by Mack McJack May 21, 2022 0 0 Get merch Get the Intellidumb mug. Buy Now — $32.95 See more merch
