The word "bruh" is a slang term that has gained widespread use in recent years, particularly in online and digital communication, as well as in casual conversation among young people. Its meaning can be nuanced and context-dependent, but at its core, "bruh" is a term used to express a range of emotions, attitudes, and responses, including:

Surprise or disbelief: In this context, "bruh" is used to express surprise or disbelief at something that has just been said or done. For example, if someone tells you a surprising fact, you might respond with "bruh, no way!"

Dismissal or annoyance: In this context, "bruh" is used to express annoyance or dismissal of something or someone. For example, if someone keeps interrupting you, you might say "bruh, chill out!"

Camaraderie or agreement: In this context, "bruh" is used to express camaraderie or agreement with someone else. For example, if your friend tells you about an awesome party they went to, you might respond with "bruh, that sounds amazing!"

Mockery or sarcasm: In this context, "bruh" is used to express mockery or sarcasm toward something or someone. For example, if someone says something that you think is ridiculous, you might respond with "bruh, you serious?"

The origins of "bruh" are unclear, but it is believed to have emerged from African American Vernacular English (AAVE) in the early 2000s. It is also possible that "bruh" has its roots in the slang term "bro," which is short for "brother" and has been used for decades to refer to a close friend or ally.

Overall, the meaning of "bruh" can be somewhat ambiguous and dependent on context, tone, and intent. However, it is a versatile and widely-used term that has become a common part of modern slang and communication.