Zhingers is an evolved form of the word Zinger with the letter "h" in the middle signifying the heaviness of it's meaning.

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.

A modified version of the word Zinger with the letter "h" use in the middle signifying the weight of the situation. In essence, the term is even more insulting than a normal Zinger and goes beyond only disrespect. It is full on verbal abuse at this point and may even result in the person committing suicide within a very short window of being hit with it.