A public display of ignorance, or PDI, can be used to describe someone who is sharing information that highlights their overall lack of understanding of the topic at hand. Public displays of ignorance can often be found on twitter.
Person 1: "Did you see that response to Donald Trump's tweet?"
Person 2: "Yeah dude, I can't believe people are that stupid. A public display of ignorance right there"
Person 2: "Yeah dude, I can't believe people are that stupid. A public display of ignorance right there"
by Algusta March 7, 2019