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1.
When somebody keeps denying something to the point where you start to think they actually did it

From Hamlet
"I never borrow your clothes. I have enough of my own clothes that I would never take from your closet... You would know if I borrowed them"

"the lady doth protest too much... Why would you be so passionately denying something you weren't accused of"
by Nobody9 November 10, 2013