Thick Of It is a 2024 single by British YouTuber and musician KSI, featuring Trippie Redd, and its confident, chant-like chorus quickly became a TikTok trend. Short clips of the hook spread through edits, reaction videos and so-called brainrot compilations, where the boastful lyrics were paired with exaggerated entrances, gaming highlights and ironic flexes. Its simple rhythm and instantly recognisable lines kept it in circulation long after the initial chart run, making it a shorthand for overconfident humour online.