What is the meaning of bruahaha?

"Bruahaha" is not a recognized word in standard English. It's likely a misspelling or a humorous variation of "buahahaha", which is a sound effect for laughter, often used in writing to represent a loud, exaggerated, or even sinister laugh.

Here's how it's often used:

* "The villain cackled, 'Muahahaha! I shall rule the world!'"

* "The comedian's joke was so bad, the audience just sat there in stunned silence. 'Bruahahaha,' thought the comedian to himself."

While not a real word, "bruahahaha" can be used for comedic effect, especially in informal writing or dialogue.