Itcher Clencher Share definition Flag When you fart to itch your rectum instead of openly scratching, while trying to not let a loud one out. Yesterday in class I had a bad bootay itch and had to let out an itcher clencher. Itcher Clencher by Guitarman78 August 16, 2011 0 0 Get merch Get the Itcher Clencher mug. Buy Now — $32.95 See more merch