The phrase comes from Spanish-language meme culture in Chile, where messages impersonating BancoEstado became a common reference for phone and online scams. Estafa simply means scam, and pairing it with the name of a real, widely used bank made the joke instantly understandable to local audiences. Clips using the line spread through WhatsApp groups, short videos and soundboards as a shorthand reaction, and the format survived because new phishing stories keep appearing, giving creators a familiar audio cue that needs no extra explanation for Spanish-speaking viewers.