It's what you call a pun, and believe me, some pun!
5 seconds sound clip from the Christmas in July (1944) classic radio play.
You can hear this line at 00:52:20 in the radio play.
Quote context
[...]
- But wait until you hear the winning slogan.
- But I don't wish to hear the slogan!
- I don't wish to hear another word about the whole mess.
- Pick your winner, send him a check, and tell him to go soak his head!
- Listen to this... is this good - 'If you don't sleep at night it isn't the coffee, it's the bunk!'
- It's what you call a pun, and believe me, some pun!
- We just sent the winner a telegram, a guy by the name of James MacDonald and...
- Why, Dr. Maxford, how pale you look!
- In just a moment, our stars will return for a curtain call.
[...]