Breaking it down, "bikini" could be a reference to a location (like in SpongeBob) or a type of attire. "Kung fu" is a martial art, so combining them might lead me to think of a character who uses Kung Fu and wears a bikini, possibly from an action or anime series. The "+wen" part is confusing. "Wen" could be a person's name, maybe a character's name, or part of a title. Could it be "Wen" as in a martial arts style or an abbreviation?
Could "Bikini Kung Fu wen" be referring to a specific scene or a meme? Sometimes online, people create memes around certain combinations, but I'm not sure about this one. Alternatively, it might be a character from a less popular game or anime, known among certain circles but not mainstream. bikinikungfu+wen
Another angle: In some role-playing games, characters have unique names and skills. If the user is playing a game like "Genshin Impact", which has a lot of martial arts elements, maybe "wen" is a character. However, "Bikini Kung Fu" doesn't align with Genshin's style. Breaking it down, "bikini" could be a reference