He's safe inside a brickle bush.
2 seconds sound clip from the Halloween Is Grinch Night (1977) movie soundboard.
You can hear this line at 00:11:43.136 in the Blu-ray version of the movie.
Quote context
[...]
- You know something, Grandpa Josiah?
- Oh, my gosh, look what he's doing now. He's hunting down the Wuzzy WooZoo.
- The WooZoo, at least, should have immunity. He's the only one left in our community.
- Goldarn brickle bush. I got brickles in my britches.
- Phew! That was a mighty tight pinch, but the Wuzzy WooZoo has eluded the Grinch.
- He's safe inside a brickle bush.
- You know something, Grandpa Josiah?
- Do I know what, Ukaraiah? (2)
- I gotta go to the euphemism.
- The euphemism? No one goes to the euphemism on a night like this.
[...]