Finney Penis Share definition Flag 1. Very small and minimal in stature. 2. One that does not please females 1. "Great, he has Finney Penis. I wish he could get it up, but I would have more fun with a pen at this point." Finney Penis by johnny11 December 2, 2010 0 0 Get merch Get the Finney Penis mug. Buy Now — $32.95 See more merch