That's what she said.

a phrase used to turn a simple comment into a sexual joke
simple: "its so hard!" .. "that's what she said"
more complex: "every time i pull it out i almost break my back" .. "that's what she said" -- urban dictionary.

Ariella doesn't get it. She said, "This one is harder than this one" and I said, 'That's what she said". She doesn't get it.