what mr. ramsey's class is in simple terms is hell. He makes your life hell. his class is the most boring of them alll. He has the most stupid rules and is cringey af. he is getting on my last nerve.

Briefly, "the realization that each random passerby is living a life as vivid and complex as your own." Originally from the Dictionary of Obscure Sorrows, which has a lot more beautiful neologism definitions like this you might enjoy.