This sound comes from Talking Ben the Dog, the mobile app character known for answering questions in short spoken replies. Online, the single-word 'Ben' clip spread through meme edits, reposts and reaction videos because its dry timing fits absurd conversations so well. It is still widely used in short-form content where creators set up a question, pause for a beat, then drop the voice line as the entire joke. Its staying power comes from being instantly recognizable and easy to place in almost any comedic format.