Gigachad became a widespread meme in the late 2010s as the name for an impossibly muscular, hyper-confident Chad character used to win any comparison. Phonk, a style built from Memphis rap samples, cowbell melodies and heavy distortion, later merged with house rhythms in short-form edits. The pairing took hold on TikTok and YouTube because the joke is instant: ordinary footage plus this sound reads as unstoppable confidence. It remains popular for gym clips, gaming montages and ironic edits where the contrast does the comedy.