
...a Polish astronomer. Finally, if that
wasn't enough, which it should've been...
The Big Bang Theory Season 6, Episode 4

And a little nail POLISH.
The Big Bang Theory Season 1, Episode 13

shoe POLISH on
the microscope,
The Big Bang Theory Season 5, Episode 16

- Nail? Polish?
- Yeah!
The Big Bang Theory Season 6, Episode 4

Excuse me, the word is POLISH.
The Big Bang Theory Season 6, Episode 4