I learned this one a week ago from a friend.
Virtue signaling (n. v.) is when someone hints at their own goodness often by showing someone else’s badness.
For example, my friend read an article by a professor in the liberal arts who was suggesting that her colleague’s must be racist because they have bemoaned the influx of international students with poor English and study skills. The writer stated that she had taught ESL and thought international students were wonderful. By assuming that the other professors were racist she made herself look good.
I’ll use this phrase as it’s something we can all fall prey to. It’s easy to make snap judgements about other’s while giving oneself the benefit of the doubt.