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

I'll give you a HINT.
The Big Bang Theory Season 7, Episode 6

- Um, can you give me a HINT?
- Stan Lee.
The Big Bang Theory Season 3, Episode 16

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

Hint: it's a cube of a cube
of a prime.
The Big Bang Theory Season 12, Episode 23