One of the mysteries of the English language finally explained.
A heavily built breed of dog of the mastiff type, typically white in colour, originally bred in Argentina for hunting big game but now often associated with dogfighting; a dog of this breed.
1980s; earliest use found in The New York Times. From Spanish dogo Argentino from dogo mastiff + Argentino (adjective) from Argentina.
Dogo Argentino/ˈdəʊɡəʊ ˌɑːdʒ(ə)nˈtiːnəʊ/
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