Place it at the exact cut where the reveal becomes visible, after a sudden suspense sting builds the pause and before an Oh My God Wow button extends the reaction for a second beat in longer edits and compilations.
About this sound
It is a short 1.6-second voice clip of someone shouting 'Oh my God' in a loud, drawn-out reaction, with the 'dos brother' phrasing tied to its meme name. The outburst feels shocked and over-the-top, turning disbelief into instant comedy because the delivery is so big for such a brief moment.