Islam Makhachev, the Dagestani UFC lightweight champion and longtime training partner of Khabib Nurmagomedov, is known for calling almost everyone brother in interviews and gym footage. The pronunciation, heard as brather, became a running joke among MMA fans and was clipped from his media appearances. Short excerpts spread across TikTok, Instagram Reels and YouTube Shorts, where fans use it to signal respect, tease friends or copy the Team Khabib style. It remains popular because one word instantly identifies his accent and fight camp.