A mix of a language and another language (Indonesian and english to be exact). So its like "Smart" and "Tolol" put together. Smart is well you know. And Tolol means like "Dumb"

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.