throatrake I think this is a case of mishearing/wishful thinking. Just after 1:00:35 (26 min to the end) she whispers what I suspect has been misheard as “uncut?”.
However, I believe that she actually says “again?” because this will be that guy’s 3rd cumshot. This is confirmed by the camera guy saying “number three” and the discussion which ensues after his cumshot where she expresses amazement and the camera guy tells her about a guy in a previous session who came four times in a row.