
And the NAUGHTY part is
I'm not in his HMO network.
The Big Bang Theory Season 5, Episode 13

You NAUGHTY girl.
The Big Bang Theory Season 10, Episode 11

SHELDON". Oh, Amy, you NAUGHTY vixen.
The Big Bang Theory Season 10, Episode 23

Why, are they NAUGHTY?
The Big Bang Theory Season 10, Episode 16

Uh, you're a NAUGHTY girl.
The Big Bang Theory Season 5, Episode 2