Hobb Knocker Share definition Flag A Hobb Knocker is someone who has sex with animals, And it's barely legal. You: I love animals. Me: I hope you're not a Hobb Knocker. Hobb Knocker by Terrum February 15, 2009 0 0 Get merch Get the Hobb Knocker mug. Buy Now — $32.95 See more merch