The phrase comes from Brazilian Portuguese internet slang, where vc is the common texting short form of voce and gratis means free of charge. Clips using the line circulate mainly as WhatsApp audios and short video edits, passed around without a single credited source. Its humour depends on that everyday chat language, which makes an ordinary question sound like a meme accusation. Because the wording is so specific yet the situation is universal, editors reuse it whenever a character gets something free and immediately regrets the hidden cost behind it.