Dweeb Share definition Flag A dweeb is someone who is a bit stupid but cute sometimes. They are VERY annoying at times! The plural version is: dweeblo "You're such a dweeb," I said in disgust. Dweeb by Meeposlep123 August 17, 2020 0 0 Get merch Get the Dweeb mug. Buy Now — $32.95 See more merch