The Thely Brazilian audio first surfaced as a user-uploaded clip on TikTok, where short trending sounds spread through duets, stitches and reused audio pages rather than through any official release. Its exact creator and original context remain unclear, which is common for sounds that take off inside the app's remix culture. Editors picked it up for transitions and meme edits because the rhythm cuts cleanly, and from there it travelled to Reels and Shorts, where it still appears in fast-paced compilations and reaction-style videos today.