Put it right on the reveal, then follow it with a vine boom once the image lands and a shocked gasp after that. Open with a calm reaction clip before it, so the sudden switch carries the edit, and let the gasp close the sequence before the next clip starts.
关于此声音
MoistCr1TiKaL blurts out 'he's pulling his...' in a startled voice that cracks into laughter, cut off before he can finish the line. The clip lasts just over a second, and that abrupt stop makes it feel awkward, startling and funny at once, like catching someone mid-reaction to something they should not have seen.