
- I'm sorry. I'm a FRAUD. He's a FRAUD.
- We're both FRAUDs.
The Big Bang Theory Season 3, Episode 3

Bad news.
The Nigerian prince may be a FRAUD.
The Big Bang Theory Season 4, Episode 19

and again, no insult intended--
but you're a FRAUD...
The Big Bang Theory Season 7, Episode 21

No. We are committing genetic FRAUD.
The Big Bang Theory Season 1, Episode 1

I'm a FRAUD.
The Big Bang Theory Season 7, Episode 10