Zoinks! That's him! Get lost!
4 seconds sound clip from Scooby-Doo, Spooky Space Kook (S1E15).
You can hear this line at 00:10:29.717 in the Blu-ray version of the episode.
Quote context
[...]
- You might say that Freddy got hung up.
- Huh?
- Come on. We've got to hurry back and get him down.
- Lucky we got you down, Freddy. Like, you might have scared the ghost away. Ha ha ha ha! Ha ha ha!
- Never mind the jokes. What about this thing you saw?
- Yes, your description was pretty vague.
- Well, you might say it looked exactly like that.
- Zoinks! That's him! Get lost!
- In a case like this, Shag and Scoob did exactly the right thing. Let's scram!
- But even if we find something, it'll probably be stale and no good.
[...]