Plank-dangler Share definition Flag A Christian. Follower of Christianity ie; dangling off a plank when being crucified. My Colleague is a Plank-dangler. She is always quoting from the Bible. Plank-dangler by Foxfield May 4, 2009 0 0 Get merch Get the Plank-dangler mug. Buy Now — $32.95 See more merch