Fxknows circulates as a niche meme sound on soundboard pages, where short clips are collected, played and shared for use in videos and chats. Its appeal comes less from a famous scene than from its compact, reusable shape: at under five seconds it fits reaction edits, captions and transitions without needing context. Because it is easy to recognise after a few listens, creators keep returning to it for quick comedic timing, and listeners often associate it with the playful, inside-joke style of online meme culture.