Luiza Marilac is a Brazilian internet personality who became one of the country's earliest viral meme figures after an interview on the YouTube channel Põe na Roda in the early 2010s. Her expressive manner of speaking and unfiltered reactions turned the interview into a goldmine of reaction clips shared across Brazilian social media and WhatsApp groups. The 'porra' exclamation endures because it is short, instantly recognisable and carries her signature attitude. Brazilian creators still drop it into memes, edits and group chats more than a decade later.