Fishy Rudolph Share definition Flag When you finger a girl on her period and then wipe your bloody finger on her nose. I was fingering this girl last night and she was on her period so I gave her a Fishy Rudolph. Fishy Rudolph by Biggie521 December 5, 2013 0 0 Get merch Get the Fishy Rudolph mug. Buy Now — $32.95 See more merch