The line comes from French online streamer TheKairi78, whose clipped reactions circulate widely under the shorter name Tk78. Short excerpts from his streams are often shared as standalone reaction sounds, and this confused question became useful far beyond its original match because the situation is so common in online games. Players hear it whenever opponents hide, teammates wander off, or a lobby empties unexpectedly. Its life on soundboards and in edited clips has kept the phrase recognisable even to viewers who never saw the moment it was first recorded during gameplay.
About this sound
Voice clip of French streamer TheKairi78 asking mais ils sont ou la in confusion, used as a reaction sound when enemies or teammates suddenly disappear.
This short clip captures streamer TheKairi78, also known as Tk78, mid-game as he looks around and asks where everyone has gone, saying mais ils sont ou la in fast, confused French. His delivery is urgent and slightly exasperated, with the question rising as if the answer should be obvious. The humour comes from that sudden emptiness, the moment a fight, chase, or team push collapses into silence. Viewers instantly recognise the panic of scanning an empty area, expecting action and finding nobody there at all, which makes the line land as both a genuine question and a punchline.