dilk Share definition Flag The disposed foreskin of a castrated horse's penis. Commonly used to describe an insignificant person clinging to a fleeting source of power. I wanted to watch reruns of Two and a Half Men, but Steve was being a dilk about the remote. dilk by ThaOneTheyCallHovis March 15, 2009 0 0 Get merch Get the dilk mug. Buy Now — $32.95 See more merch