What do you call it?

Europe
Chappy (Scotland)
Belfast (Northern Ireland)[citation needed]
Knock Down Ginger (England)[3]
Knock Off Ginger (England)[4]
Bobby Knocking (Wales)[5]
knock a door run/knock door run (England)
Knock door run (Leicester, England)[6]
Knicky-Knocky Nine Doors (Durham)
Knock-a-door-dash (Liverpool, England)[7]
Belletje trekken (Netherlands)[citation needed]
Klingelstreich (Germany)[citation needed]
Belleke trek (Belgium)[8][better source needed]
Knock and nash (United Kingdom)[9]
Chicky melly[10][11] chap-door-run,[12] chappy, chappies[13] (Scotland)
Knock and run (England)[14]
Knick knack (Ireland)[15]
Knick Knock Nanny (Oxfordshire, England)
Knick Knock (Cornwall, England)
Cherry knocking (United Kingdom)[16][17]
Ringepigg (Norway)
Ajtóbetyárkodás (Hungary)
Tocatimbres (Spain)
Rat a Tat Ginger (Coventry, England)
Dyraat (Iceland)[18]
North America
Ding dong ditch (United States)[19]
Doorbell ditch (United States)[20]
Doorbell dixie (United States)[21]
Knock, knock, ginger (Canada)[citation needed]
Knicky Knicky Nine Door (Canada)[22]
Ring and run (United States)[23]
Sonne-décrisse (Canada)[24]
Oceania
Knick Knocking (Australia)[25]
Ding dong dash (Australia)[citation needed]
Africa
Tok-tokkie (South Africa)[26]
South America
Rinraje (Argentina)[citation needed]
Rín-Rín-Raja (Chile)[27]
Tin-Tin Corre-Corre (Colombia)[28]
Tocar a campainha e sair correndo (Brazil)
Asia
Bel-Twi (벨튀, South Korea)[29]
Ping-Pong Dash (ピンポンダッシュ, Japan)[30]