Stanknail Share definition Flag What your toenail(s) smells like when you fall awkwardly without shoes or socks on and one or several of your toes go into your ass. Dude, I got some serious stanknail cause I fell weirdly in gymnastics coming off the balance beam. Stanknail by Coke Can June 4, 2018 0 0 Get merch Get the Stanknail mug. Buy Now — $32.95 See more merch