As a WhatsApp audio, this clip circulates mainly through Brazilian group chats and short-form video edits, where brief voice messages are reused as reactions rather than listened to as full conversations. Its appeal comes from its specificity: the engineering reference gives creators a ready-made punchline for study, work and university humour without needing extra explanation. Because it is only a few seconds long, it fits easily at the end of a joke, in a reply thread, or over a quick visual gag, which helps explain why it keeps appearing in informal, friend-to-friend sharing.