What is "WBK"? How to use it?

WBK

wbk is an acronym for the phrase we been knew, a popular AAVE phrase often used on Twitter. The phrase is used as a answer to someone making an obvious statement, and can be a synonym for other phrases like “duh,” or “obviously.”

What is it, and where does it come from.

It is made popular by AAVE, modern native slang, or British african slang.

How to use it :

If someone makes a comment like "wow you look good in that outfit" and you are self assured and know you look good in the outfit, you can answer WBK

Where to use it:

Often used online, social media and commonly on twitter.

WHAT TYPE OF ENGLISH GRAMMAR IS IT?
A synonym(ANOTHER WAY OF SAYING) other phrases like “duh,” or “obviously.”