
That is INSANE.
The Big Bang Theory Season 4, Episode 5

Are you INSANE?
The Big Bang Theory Season 1, Episode 2

He wasn't INSANE.
The Big Bang Theory Season 11, Episode 8

Are you INSANE?
You're not gonna party with them.
The Big Bang Theory Season 2, Episode 7

Are you INSANE?
The Big Bang Theory Season 2, Episode 12