A term for when someone was taught old, biased, and incorrect information. And when someone tries to re educate them about it they get angry and deny any new information.
Young Person: "Hey Columbus isnt actually that good of a person."
Person with OldKnowledge: "How can you say that?! He did many good things!"
Most abruptly put, Marijuana. But this is the most dankest shit known to man, the F-F-O-K has only been grown by one man. This gent of sorts rolled with his G's about 2,000 years ago. Jesus, is the only man known to have known the proper growing patterns of this Sick Nasty Cannabis Herb and the secret went with his passing.