Pica-Pau is the Brazilian name for Woody Woodpecker, the cartoon created in the United States in 1940 and dubbed into Portuguese for generations of television viewers in Brazil. Lines from that dub circulated widely as WhatsApp audios and meme sounds, and this thank you line became a staple alongside clips like the Woody Woodpecker Laugh. Its lasting appeal is its sincerity: Brazilians share it to thank friends publicly, to soften a joke, or to turn an ordinary favour into a dramatic moment of friendship.