Cuck
“Cuck” is an insult used by the “alt-right” to attack the masculinity of an opponent, originally other conservatives, whom the movement deemed insufficiently committed to racism and anti-Semitism.
S.J.W.
S.J.W. is short for “social justice warrior” and is used by the right as an epithet for someone who advocates liberal causes like feminism, racial justice or gay and transgender rights. It is also sometimes used to imply that a person’s online advocacy of a cause is insincere or done for appearances. It became widely used during “GamerGate,” a controversy that began in 2014 over sexism in video game subcultures.
Mr. Lenz, whose organization has specific criteria for which groups it classifies as Nazi organizations, said the right used the phrase “to rhetorically address the fact that the left sometimes calls anyone who disagrees with it Nazis.” He said the alt-right had created the term so its followers had a similar blanket term to deride the left.