Place this warning at the start of the scene, then let the action play out before following it with an oh my god meme for the reaction and a scream meme at the peak of the chaos.
Over dit geluid
A short spoken line in Spanish saying algo malo va a pasar, lasting about 3.6 seconds, delivered as a plain warning that something bad is about to happen. It feels tense and ominous at first, but also darkly funny, because that calm prediction turns an ordinary mistake into a moment everyone knows will end badly.