"Esca-Stopping": a small-brain sickness that's quickly becoming an epidemic. It's the act of reaching the end of an escalator and then stopping suddenly, forcing the people behind you to scatter to avoid a pile-up. Much like the public transit nuisances of manspreading or she-bagging, it's, well, pretty much the worst.
Above Average has the full rundown and what you can do to stop the spread of this plague for idiots.
Also on HuffPost: