A girl, who is the most amazing creature on the planet. She is gorgeous, funny, intelligent, hot, skinny legend, caring. When she smiles, the whole world smiles with her. She will be a great mom. She is a very good friend.

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.