It could be the times she screamed til the walls shook and she raked the skin off my back was all a fake.
Just a trick to be mean.
I did date a girl who kind of a dead fish in bed for a very short while. Dumped her and moved on...
But seriously, I can't imagine my wife telling anyone she faked an orgasm. If anything she'd say she made me keep doing it over and over until she had hers.