UK musical comedy act The Midnight Beast has some safe sex advice for the world; whether or not it's very good advice is up to debate:
Something to remember as a rule of thumb, one up the bum and you won't be a mum.
Have no fear, though. The boys are big fans of using condoms, bum or none. And while this may not be advice you want to extend to the teens in your life, we defy you not to spend the rest of the day singing this tune.