Derpstep Share definition Flag 1. Shitty dubstep.2. Anyone who uses M-talk (Modern Talking) or an excessive amount of distortion. 1. Yo bruv fam blood mate, check this Derpstep... dis guy right hur is usein M-talk and he distorted his bassline to shit.... DEERRRP Derpstep by KazaProductions July 14, 2011 0 0 Get merch Get the Derpstep mug. Buy Now — $32.95 See more merch