Those moths are probably in there right now, chewing away big, gaping holes.
7 seconds sound clip from the The Seven Year Itch (1952) movie soundboard.
You can hear this line at 01:22:19 in the Blu-ray version of the movie.
Quote context
[...]
- I saw your light, so I thought maybe it might be a good time to pick up the rugs.
- At 1:30 in the morning? Are you out of your mind?
- I promised your wife, Mr. Sherman.
- Those moths are probably in there right now, chewing away big, gaping holes.
- Why don't you come back tomorrow, early, before they have their breakfast?
- What is the matter, Mr. Kruhulik?
[...]