DaBaby, the American rapper known for his loud, confident delivery, turned short hype phrases like this into a signature part of his online persona, and fans began clipping them for soundboards and short-form edits. The elongated let's gooo works because it is instantly recognisable even out of context, carrying the energy of a rap ad-lib into gaming clips, sports posts and reaction videos. That simplicity is why it keeps circulating online as a quick way to signal excitement, confidence or a win.