come knocking on (one's) door(redirected from come knocking on his door)
come knocking on (one's) door
To present (itself) to one as a possibility in the near future, especially temporarily. Usually refers to opportunities or desirable options. It was hard leaving my parents and all my friends from high school, but when an opportunity to attend school in Europe came knocking on my door, I knew I had to seize the chance. What would you do if the chance to make half a million dollars suddenly came knocking on your door?