No documented origin, source work or performer is supplied for this clip, so it is best understood through its wording and its place among meme sounds. Sus is used online as shorthand for suspicious, and the full phrase adds kinda and no lie to soften the judgement while insisting it is sincere. Short clips with this kind of wording are reused as quick reactions in meme and gaming edits, where a brief label can mark a moment without interrupting the flow. The phrase is useful because it is short, direct and easy to recognise in different contexts.