Matei o Luan denovo translates from Portuguese as I killed Luan again, and its humour depends on that word again, implying Luan has met the same fate before. Shared as a short soundboard clip, it circulates mainly among Portuguese-speaking gamers and meme communities who use the name Luan as a running joke for a player who keeps getting caught out. Because the line is short, self-contained and easy to reuse, it has stayed popular as a quick reaction sound rather than tied to a single video or creator.