Legit Fishy Share definition Flag A person who is usually freakishly tall and gay. Also is a person that is addicted to halo 3 and wont ever get a life. OMG Justin is Legit Fishy. Legit Fishy by Legit-Ducky June 17, 2009 0 0 Get merch Get the Legit Fishy mug. Buy Now — $32.95 See more merch