
Penny kissing me is not INSANE.
She used to kiss me all the time.
The Big Bang Theory Season 4, Episode 9

That's INSANE on the face of it.
The Big Bang Theory Season 2, Episode 13

Mmm. Well, the biggie is,
if she has an INSANE roommate,
The Big Bang Theory Season 10, Episode 4

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

...so I'm gonna do something INSANE
in the hopes that you'll call 911."
The Big Bang Theory Season 4, Episode 9