1Canadian A Newfoundlander; = "Newfie".
2Also in form newf. A Newfoundland dog.
Of, in, or from Newfoundland; that is a Newfoundlander (frequently depreciative). Also (of a dog): belonging to the Newfoundland breed.
1950s; earliest use found in St. John's Evening Telegram. Partly shortened from Newfoundlander, and partly shortened from the name of Newfoundland.