Cornicating Share definition Flag To perform fellatio on a block of sweetcorn. "Oh my God, did you see Paris Hilton at that party, she's such a fucking slut she was cornicating!" Cornicating by YOU WILL NEVER KNOW! HAAHAAA! May 22, 2009 0 0 Get merch Get the Cornicating mug. Buy Now — $32.95 See more merch