It features Johnny and Monk at a party. Monk, naturally, spends a great deal of time getting the level of punch in his cup JUUUUUST right. Then Johnny goes to get himself some punch. As he is scooping some up, he receives a vision … of some guy lifting the punch bowl to his mouth and slurping it. He whispers this unsanitary fact into Monk’s ear, and Monk empties his cup back into the bowl.
Monk says he likes to be first at the punch bowl, I’m guessing since he wants his punch before anyone else has dipped their supposedly-dirty cup in it. We know he has food issues. Johnny touches the edge of the bowl and ‘sees’ the waiter holding the whole bowl and sipping right out of it, which he then relays to Monk. And of course Monk dumps his back.
This was the one part I didn’t like. If they tried that with me, I’d tell them to do it so I could retire off the money I’d make from the false-arrest lawsuit.