Oie comes from everyday Brazilian Portuguese as an informal hi, and kkk or kks is how laughter is typed in Brazilian chats, similar to lol in English. Clips built around that mix circulate mainly as shareable voice notes and soundboard buttons rather than from a single known show or creator. Because the greeting is instantly understood by Portuguese speakers and the giggling needs no translation, it travels easily across short videos, group chats, and reaction edits where a friendly, embarrassed laugh fits better than a full joke.