DUMBSHIT SCIENCE Share definition Flag Doing dumb shit for science. also, know as jackass. ride down a slide that has bumps with a skateboard to see if it won't break your back for dumbshit science. DUMBSHIT SCIENCE by RickyJohnJones May 14, 2021 0 0 Get merch Get the DUMBSHIT SCIENCE mug. Buy Now — $32.95 See more merch