Splatterpillar Share definition Flag When a caterpillar gets stepped on it goes splat. kid 1 - Wow! look at the size of that....Sound 'splat'kid 2 - uh, Splatterpillar?kid 1 - It is now. Splatterpillar by Whymeandnotyou22 September 27, 2011 0 0 Get merch Get the Splatterpillar mug. Buy Now — $32.95 See more merch