Wwww
In Japanese internet culture, "w" stands for warau (笑う), which means "to laugh." Stringing them together—"wwww"—is the equivalent of "lolol" or "hahahaha."
Short video "stories" on platforms like Instagram often use "wwww" in the caption or URL as a shorthand for a website link (e.g., "Tickets at wwww/newlandshouse"). In Japanese internet culture, "w" stands for warau
If you have a specific book, video, or meme in mind, I can help you find more details! Understanding WWW: The Story Behind the Abbreviation In Japanese internet culture