Saci-Pererê is one of Brazil's most beloved folklore figures, a one-legged Black boy trickster in a red cap who plays pranks and vanishes in a whirlwind, popularized nationwide by writer Monteiro Lobato. The exact recording behind this 'calma' clip is undocumented, but as a WhatsApp audio meme it follows a familiar Brazilian pattern: short, funny voice notes passed from group to group until everyone knows the punchline. Its staying power comes from that shared folklore reference, which makes the joke land instantly for Brazilian listeners.