
- I'm sorry. I feel like such an IDIOT.
- Oh, it's not so bad. You lost money...
The Big Bang Theory Season 6, Episode 23

- Oh, now I'm a child. Not an IDIOT anymore.
- Hey, the two aren't mutually exclusive.
The Big Bang Theory Season 3, Episode 7

It'd still be you, but I'd feel like an IDIOT.
The Big Bang Theory Season 2, Episode 20

Because she married an IDIOT.
The Big Bang Theory Season 7, Episode 10

Well, maybe not an IDIOT.
The Big Bang Theory Season 9, Episode 8