
...a picnic near a LUNATIC asylum...
The Big Bang Theory Season 6, Episode 18

Will you tell
this LUNATIC
The Big Bang Theory Season 5, Episode 17

then you tracked me down
and acted like a LUNATIC?
The Big Bang Theory Season 7, Episode 19

Because you were driving like a LUNATIC.
The Big Bang Theory Season 10, Episode 1

We go into business with
yet another homicidal LUNATIC,
Breaking Bad Season 2, Episode 5