When a skater lands on a skateboard in a way wich the nose or tail is directed upwards into the genital area. It hurts like a bitch and makes you want to sit and watch everybody else for a while.
Billy-"Hey Bob, do an impossible!"
Bob-"Fuck that! I don't want a wooden tampon again!"
Billy-"Hahaha! That was hilarious last time!"
Bob-"Fuck you man! That is not a pleasant feeling!"