This content has been automatically translated from Ukrainian.
HZ is an abbreviation for the phrase "who knows". There are also several other variants with similar meanings. For example, "who the hell knows" or "how should I know". This expression is used to convey ignorance or uncertainty about something.
It is usually used in informal communication or in online chats, forums. It is also used in phrases like "who knows what this is" or "who knows what to do".
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