The phrase ne prosto is everyday Russian, literally meaning not simply or not just, and this clip circulates online as a standalone reaction sound rather than as a line tied to a well known film or show. Its popularity comes from that generality, since the same short clip can comment on a failed plan, a complicated relationship, or a game moment that turns difficult. Short Russian phrases like this travel easily on soundboards and in edits because the tone is understandable even to viewers who do not speak the language.
About this sound
The Russian phrase ne prosto, meaning not just, in a short voice clip creators drop into memes and video edits for a deadpan or dramatic reaction.
This clip is a short Russian spoken phrase, ne prosto, which translates roughly as not just or not so simple. The delivery is flat and slightly drawn out, giving the words a serious, almost philosophical weight that is funny because the statement itself is so vague. At just under eight seconds it is long enough to build a small pause before a reveal or complication. Viewers hear it and immediately expect that whatever was presented as easy is about to become more involved, awkward, or absurd than first suggested.