Used when referring to someone who has used fake tan to give others the impression she looks good.
Guy 1: Veronica looks so good tonight. I love summery looking chicks
Guy 2: Ah, she's faking it man.
When a woman (or sometimes man) fake an orgasm in order to make the partner think they are a sex god/dess.
Women can fake orgasms, but men can fake entire relationships and commitments.