Angry white male

"Angry white male" is an insult for white men holding conservative or right-wing views. The term is often used when talking about the politics of the United States.
The term mostly refers to a group which emerged in the early 1990s. They reacted to what they thought were injustices by the "affirmative action" quotas in the workplace. Such people are not necessarily Nazis or extremists.
Development.
An angry white male is supposed to be opposed to anti-discrimination policies (such as affirmative action) that benefit racial minorities and women. Supporters of Donald Trump are sometimes said to be angry white men.
In Australia.
The term "angry white male" is also used in Australia to talk about men who do not like feminism.
In popular culture.
The term is used for those believed to be opposed to the Civil Rights Movement and second-wave feminism.