Yes, I know you probably didn't need to know the history of the joke. Anyway, it is used to either insult someone sexually, or simply make something sound sexual that really isn't,
Cux answered Saturday June 20 2009, 12:11 am: It's a stupid on-going joke that girls and guys both use, taking someone not dirty at all and making it REALLY dirty.
The other columnists gave good examples, and here's one of my own:
Person 1: "That was the most painful thing in my life and I never want to do that again."
Person 2: "That's what she said!"
*laughter ensues*
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