chubwub Share definition Flag a cute way to say that one has excessive fat, and that you just want to jiggle their face flubber. 1. That dress would look way better if you weren't such a chubwub. 2. May I poke your chubwub? chubwub by Lindsey Bobindsey January 9, 2008 0 0 Get merch Get the chubwub mug. Buy Now — $32.95 See more merch