nigger knocking noun2 •(slang, offensive) A racial assault by a group of white people, typically bored youths in a truck or car, on one or more black people, typically a random pedestrian. •(slang, offensive) Ding-dong ditch.In Sanford Heights the preadolescent prank of ringing a doorbell and running away before the door was answered was known as “Nigger Knocking” as well as by its more common name, “Ding Dong Ditch.” — 1987
