You're not just whistling Tiptoe Through the Tulips.
3 seconds sound clip from The Ant and the Aardvark (1969) - From Bed to Worse (S1E17).
You can hear this line at 00:01:17.436 in the Blu-ray version of the episode.
Quote context
[...]
- That ant don't know it, but I'm inviting him for breakfast.
- Hey, Ant, wait a minute. I want a word with you. The word is stop.
- They may be small, but they're tasty.
- Boy, I sure got the air knocked out of me that time.
- You're not just whistling Tiptoe Through the Tulips.
- And that's enough out of you, Dog. If you don't like the cast system around here, take a walk.
- Breakfast time. Everybody hungry?
- Here's a lump of sugar to sweeten your day.
- A doggie bone for you... Careful, mustn't bite the hand that's feeding you.
[...]