knock wood

knock wood

Hopefully this will be or continue to be the case; hopefully good luck will prevail. A superstitious phrase said after mentioning good fortune in order to prevent bad luck from occurring, often said in lieu of or while simultaneously actually touching a wooden surface. If all goes well, knock wood, I should be out of hospital by early next week. I bought the computer from some guy online, and so far it's been running just fine, knock wood.See also: knock, wood