Because you were driving like a LUNATIC.
The Big Bang Theory Season 10, Episode 1
Will you tell
this LUNATIC
The Big Bang Theory Season 5, Episode 17
...a picnic near a LUNATIC asylum...
The Big Bang Theory Season 6, Episode 18
That motherfucker is a LUNATIC.
Money Heist Season 1, Episode 4
or have you always been
a LUNATIC?
The Big Bang Theory Season 11, Episode 16