Related Clues:
- Made a sound
- Took a peek
- Stuck (out)
- Sounded like a chick
- Didn't wait for Christmas
- Took a quick peek
- Looked briefly or bounced off
- Looked through the keyhole
- Looked surreptitiously, maybe through keyhole
- Looked furtively at, like a certain Tom
- Looked surreptitiously
- Glanced surreptitiously
- Took a secret look
- Looked a little as if - Gee! - the boil had been opened
- Didn't wait until Christmas, say