
Speaking as an EXPERT,
way to look needy.
The Big Bang Theory Season 2, Episode 9

You an EXPERT on meth labs now?
Breaking Bad Season 5, Episode 10

Leonard,
I'm no EXPERT on meditation...
The Big Bang Theory Season 3, Episode 11

Now you're an EXPERT.
The Big Bang Theory Season 5, Episode 16

I'm no EXPERT,
but in the context of a lunch invitation...
The Big Bang Theory Season 1, Episode 1