Because you were driving like a LUNATIC.
The Big Bang Theory Season 10, Episode 1
...a picnic near a LUNATIC asylum...
The Big Bang Theory Season 6, Episode 18
We go into business with
yet another homicidal LUNATIC,
Breaking Bad Season 2, Episode 5
Hey, if thinking secret government agents
are chasing you makes you a LUNATIC,
The Big Bang Theory Season 10, Episode 1
Would you please talk some sense
into your LUNATIC roommate?
The Big Bang Theory Season 6, Episode 9