God, I thought, this apple juice is shit. I took another mouthful - good thing I was thirsty. Norman entered the room from the living-room.
"Seen my urine sample?" he asked.
Slowly, i put down the cup, and using my free hand, pointed to the nearby counter where Norman had put his urine sample.

This story could have gone two ways, and neither of them are funny. I imagine I should use this to illustrate a philosophical point, but I won't. So there.