Lil Jon, the Atlanta rapper and producer who helped popularise crunk music in the early 2000s, built his sound around loud, instantly recognisable ad-libs such as Yeah, Okay and What. Those shouts became his trademark across club hits and collaborations, and later spread far beyond hip-hop through Vine compilations, YouTube edits and TikTok sounds. Creators now use the isolated Yeahhh on its own because it carries that party energy without needing the full song, keeping it a staple for hype edits years after crunk peaked.