One of the main meanings of this slang is to ask someone about their health or how they feel. Also, it has other meanings too, that need to be considered by everyone. It is used in other places too, like in sports, within an organization, or other different places according to their meaning and context. In sports, it means "World Badminton Union" which shows the interest of the users who like sports. "World Business United" is related to business.
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