vastushitsaus

Could you please clarify what vastushitsaus refers to? I’m not finding a widely recognized definition for this term. Is it:

- a real concept in Finnish language or culture,

- a portmanteau related to Vastu Shastra (Indian architecture) and another topic,

- a brand, product, or fictional concept from a book, game, or meme,

- or something else entirely?

If you can provide any context or a brief description, I can write a concise, neutral wiki-style article under 300 words.