The title comes from d(-_-)b, a classic text emoticon read as a face with both thumbs raised in approval. Emoticons like this spread through forums, chats and early social media long before emoji became standard, and the symbol survived as shorthand for approval, respect or effortless cool. As short form video grew, editors attached brief reaction sounds to familiar text symbols, turning a typed gesture into an audible punchline. It remains in use because the meaning is instant, needs no explanation, and works across languages and contexts.