A derivative of the common phrase, thats what she said, is that what you told her is a response to any sentence that contains sexual innuendoes. It is best used in a sentence involving fitting something into a hole or something being inadequate.
"Are you sure it can fit in there?"
"Is that what you told her?"

"It was fun but it wasn't something i would do more than once."
"Is that what you told her?"

"That was amazing!"
"Is that what you told her?"
by Ryan J W January 5, 2009
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