The clip comes from material credited to Melhores do Mundo, the Brazilian comedy group whose sketches and stage characters circulate widely as short audios online, with MdM in the title referring to the group. Ed Banana's drawn out Vaaaiii became easy to lift from longer comedy material because it is a single clear shout with no background context needed. Shared as a standalone MP3 on soundboards and in WhatsApp groups, it turned into a reusable cheer and reaction, used whenever someone needs an over the top Portuguese go in two seconds.