Doctor: Now, ordinarily, Mr. Tribbiani, we try to break the stones up with shock waves. But they're too close to the bladder. Which means we can either we wait for you to pass them or else go up the urethra-
Joey: Whoa, whoa. No, no, no, no. Nothing is going up, okay? Up is not an option. What's a urethra? [Monica whispers in Joey's ear] Are you crazy?