(adj.)
When you fight for a cause you don't understand, using facts you didn't check, defending values you don't actually believe in -- until someone disagrees, and suddenly they're racist, homophobic, or a nazi.
That libtarded policy of defundingthe police while crime skyrockets is peak virtue-signalling gone wrong.
The state of being so far left-wing in ideology, it gives the impression person afflicted must be mentally handicapped - read: Retarded, to have such opinions.
She's so caught up in her ignorant, delusional ideology that facts and logic mean absolutely nothing to her. That moron is so pathetically leftarded.
A slightly more PC way to say that someone is incredibly stupid, lacking in intelligence and also intolerably annoying (Credit goes to Dan Savage of The Stranger Seattle's Only Newspaper).
sales rep 1: "Gawd this customer is so dumb, she doesn't know the difference between USB and parallel"
sales rep 2: "How leotarded"
Ben is such a fucking leotard, he got arrested for trying to break into his neighbors house when he was drunk because he thought he lived there.