Mafia 18. Nightmare Seller.

I'm not sure. Besides, name at least one word that can be abbreviated like that.

I said abbreviation, not a word. For example:

Kuzya rad, A na barina chichat

Here's an example, it was already mentioned. So, it's possible that this is a phrase based on the first letters, and the fact that it's some kind of proverb made people think it was a dash...