Who dat b意思

"Who dat b" is a slang phrase that is often used in text messages, social media, and casual conversations. It is a contraction of "Who is that be?" or "Who are you?" and is typically used to inquire about the identity of someone, especially if they are not known to the person asking.

The phrase is an example of how language, especially in digital communication, can evolve and become more concise through the use of acronyms, abbreviations, and contractions. It's important to note that the use of such slang can vary by region and among different age groups or social circles.