Mothballs, sir.
3 seconds sound clip from the A Clockwork Orange movie soundboard.
You can hear this line at 00:52:34 in the Blu-ray version of the movie.
Quote context
[...]
- One pair of underpants, white with blue waistband.
- Are you now, or have you ever been, a homosexual?
- Right. The mothballs, mister.
- Now then, face the wall bend over and touch your toes.
- Any venereal disease? Crabs? Lice?
- No, sir.
[...]