Meaning Knuckle tapping on wood in order to avoid bad luck or to continue having good luck.
Usage Worldwide.
Example
- I have never broken a bone - touch wood.
Pronunciation
Idiom
Knock on wood
What does "Knock on wood" mean?
Knuckle tapping on wood in order to avoid bad luck or to continue having good luck.
Knock on wood
USA, early 20th century. Other variants, like ‘touch wood’ are earlier.