The phrase comes from Brazilian gaming circles where short voice clips are passed around as in jokes between players. The tags linking it to MIR4, Tibia and Ymir point to that MMORPG community use, where players reuse the shout during long grinds, hunts and PvP sessions. Its appeal is the commitment in the voice, holding the line ate o final instead of cutting it short. Online it survives as a niche reaction sound, less universal than big memes but instantly recognisable to players who have heard it in voice chat.