Can't believe you haven't run across it before this - NBC and MSNBC run it almost as much as USA runs the Law and Order shows. For several years it's been part of the American vocabulary --- Conan O'Brian did a hysterical takeoff on it as part of the opening skit when he hosted the Emmys a few years ago --- a year or two ago, South Park did a whole takeoff on it.
(And the rabbi was an unbelievable episode, but the most incredible one was the naked guy with the cat and the Cool Whip.)
As a side note, my wife and I were out to dinner last month at a very nice restaurant. I ordered a glass of wine, and the waiter asked my wife if she wanted one too. She didn't, but the waiter said "If you had said yes, I was going to have to card you." (My wife is *well* over drinking age lol, but when she dresses up, she looks a lot younger.) We asked the waiter how old he thought she was, and he said "Maybe 17 or so."
The rest of the night, we couldn't help ourselves from "Have a seat....right over there" and "I made some sweet tea for you" and "I'll be right there as soon as I put away the laundry" and "I always carry condoms" and "You're naked, there's a cat running around, there's Cool Whip" references
