with just a HINT of
"That's right, I had servants."
The Big Bang Theory Season 5, Episode 4
Hint: it's based
on Sanskrit,
The Big Bang Theory Season 12, Episode 2
Hint: it's a cube of a cube
of a prime.
The Big Bang Theory Season 12, Episode 23
Don't worry, I can take a HINT.
The Big Bang Theory Season 7, Episode 3
Is "back on track" a HINT
that it has something to do with trains?
The Big Bang Theory Season 10, Episode 11