Alf Garnett
/ˌalf ˈɡɑːnɪt/British
noun
A man resembling Alf Garnett in behaviour or outlook, especially in being white, working-class, and right-wing, and in vehemently expressing sexist, racist, and xenophobic views.
Origin
1960s; earliest use found in Brandon (Manitoba) Sun. From Alf Garnett, the name of a character in a British television comedy series Till Death us do Part, representing a white working-class paterfamilias given to apoplectic tirades of (racial, sexual, etc.) prejudice and bigotry.