“SJW” is commonly used as a pejorative by the American right wing these days. According to Google Trends, the term “social justice warrior” was first used in August 2011, picked up steam in 2014 and 2015, and hit its peak (so far) in December 2016, the month after failed businessman Donald Trump was declared the winner of the American presidential election. “SJW” quickly followed as a recognized shorthand for “social justice warrior”.