Oh, of course,
because I'm the only ADULT around here.
The Big Bang Theory Season 9, Episode 21
You're an ADULT who can't get by
without an allowance from his parents.
The Big Bang Theory Season 10, Episode 16
This nephew who is...
I mean, he's an ADULT.
Breaking Bad Season 2, Episode 12
but he's an ADULT now, and maybe
The Big Bang Theory Season 9, Episode 14
Really? "The only ADULT"?
The Big Bang Theory Season 9, Episode 21