That's just a loud-mouthed schnook.
3 seconds sound clip from the The Foghorn Leghorn (1948) Warner Bros. Merrie Melodies theatrical short.
You can hear this line at 00:02:32.758 in the DVD version of the film.
Quote context
[...]
- What's going, I say, what's going on here?
- Now get out and stay out! Scram, that is!
- Hey, was that a chicken, Pop?
- A chicken? Of course not. Do you think I'd let a chicken do that to me?
- That's just a loud-mouthed schnook.
- A schnook? Well, I'm not after schnooks, I'm after a chicken.
- Look here, son. I say, son, did you see that hawk after those hens? He scared them.
- That Rhode Island Red turned white. Then blue. Rhode Island. Red, white and blue.
- That's a joke, son. A flag waver. You're built too low. The fast ones go over your head.
[...]