
Don't worry, I can take a HINT.
The Big Bang Theory Season 7, Episode 3

Hint: Sometimes they pack the alcohol
in their trunks.
The Big Bang Theory Season 4, Episode 24

Hint. Madame Curie had her husband
to help her.
The Big Bang Theory Season 3, Episode 7

Uh, helpful HINT--
trim your nails first.
The Big Bang Theory Season 5, Episode 17

Is "back on track" a HINT
that it has something to do with trains?
The Big Bang Theory Season 10, Episode 11