In Korean, annyeong hasimnikka is a formal, respectful way to say hello, more polite than the casual annyeong used between friends. Short recordings of the phrase circulate online as greeting sounds because the formal wording is instantly recognisable and carries a courteous tone that works well for introductions. Creators use it to open videos, welcome viewers, or add a Korean language touch to memes and edits. Its short length and clear pronunciation have kept it useful as a quick, polite opener rather than a joke in itself.