When you are performing the batwing," a bull rushes you, and gores you in the testicles. You are left with a large hole in your nut bag.
Jake: "Wow! You have an insane Peruvian Piercing."
Dan: "Yeah, I batwinged when I should have goated..."
Jake: "Ooh, if you batwing when you should goat, youre not gonna have a good time..."