
A straightjacket,
'cause 72's the best and you're CRAZY.
The Big Bang Theory Season 9, Episode 10

Yeah. It's CRAZY, but it works.
The Big Bang Theory Season 2, Episode 18

I'm not CRAZY.
My mother had me tested.
The Big Bang Theory Season 3, Episode 2

First of all, when you say things like that,
people think you're CRAZY.
The Big Bang Theory Season 6, Episode 20

What, are you CRAZY? I'm on a unicycle!
The Big Bang Theory Season 10, Episode 22