doorknockEtymologyFrom door + knock.nounA campaign of going from house to house knocking on doors, such as for a charity appeal.“Sometimes they were raffles, mostly they were doorknocks. I went on one of the doorknocks after Wendy talked me into it.”verbTo participate in a campaign of going from house to house knocking on doors; to knock on the door (of a house) during such a campaign.“1979, Fatma Dharamsi, et al., Harlesden Community Project, Community Work And Caring For Children: A Community Project In An Inner City Local Authority, page 440, During the doorknocking local residents had talked about other issues.”