This Karen (AKA 'Hilo Karen') did not appreciate being told where to park while visiting her local Walmart in Hilo, Hawaii. Her real name is Lisa Platt and she has since apologized for the parking lot rant. She claims it was a dispute that escalated after someone called her an a-hole. Lisa promptly lost her job as a kindergarten teacher after the incident went viral. (Video via LaughterBaap on Youtube.)
Remember the 4 rules if you encounter a Karen (or Todd) in the wild: