This sound is tied to สะเก็ดข่าว, a Thai television segment known online through short clipped moments that circulate as reactions. In meme use, the isolated OK became useful because it is simple, fast, and easy to understand even outside a full scene. Short TV-derived reaction sounds often spread this way on social platforms, where editors trim them down to a single recognisable beat. Its staying power comes from that quick, versatile delivery, which fits approvals, deadpan punchlines, and light sarcasm.