You begin to get weak in the knees. Your head's in a whirl. And then you feel light as a feather. And before you know it, you're walking on air.

Friend Owl (Will Wright)

18 seconds sound clip from the Bambi (1942) movie soundboard.

You can hear this line at 00:47:53 in the Blu-ray version of the movie.

Quote context

[...]

- Well, what's the matter with them?

- Why are they acting that way?

- Why, don't you know? They're twitterpated.

- Twitterpated?

- Yes. Nearly everybody gets twitterpated in the spring time.

- For example, you're walking along, minding your own business, you're looking neither to the left nor to the right, when all of a sudden... you run smack into a pretty face.

- You begin to get weak in the knees. Your head's in a whirl. And then you feel light as a feather. And before you know it, you're walking on air.

- And then you know what? You're knocked for a loop. And you completely lose your head.

- Gosh, that's awful.

- Gee whiz. Terrible.

- And that ain't all. It can happen to anybody. So you'd better be careful. It could happen to you, and you, and... Yes, it could even happen to you.

- Well, it's not going to happen to me.

- Me neither.

- Me neither.

[...]