1. knock on wood - Verb
2. knock on wood - Interjection
knock on wood (third-person singular simple present knocks on wood, present participle knocking on wood, simple past and past participle knocked on wood)
(idiomatic, US) To take a customary action to ward off some misfortune that is believed to be attracted by a presumptuous statement.
Synonym: (UK, Australia, South Africa, New Zealand) touch wood
knock on wood
(idiomatic, US) Hopefully; a self-directive to undertake the customary action to ward off bad luck.
I do a lot of walking, and I have never had any knee problems yet, knock on wood.
Synonym: (UK, Australia, South Africa, New Zealand) touch wood
Classical girls basketball on track for tournament By Joyce Erekson The Classical High girls basketball team has reached the midway point of the season and (knock on wood) the Rams are looking pretty good heading into the second half. Source: Internet
“Knock on wood, we have not had to cancel this event yet,” said Holly Anderson, assistant director of the municipally owned Snow Bowl. Source: Internet
It also spawned a UK number ten hit in Bowie's cover of " Knock on Wood ". Source: Internet
Knock on Wood was the first film produced by his firm. Source: Internet
Now with actor availability, it looks like maybe next year, knock on wood. Source: Internet
Here’s a little study we know you’ll enjoy (knock on wood)… Source: Internet