The phrase is Brazilian Portuguese slang used online as an exaggerated complaint about work that looks evil in how bad it is. The clip circulates on soundboards and in short-form edits because the wording alone is funny even before translation, and the delivery turns a normal complaint into mock horror. It is most often posted by Portuguese-speaking creators reacting to botched jobs, messy offices, broken code and impossible tasks, where the short runtime makes it easy to loop or drop over a single reaction shot without explaining the joke first.
About this sound
A short Brazilian Portuguese voice clip of someone exclaiming misericordia, que trabalho satanico in disbelief. Used for messy, cursed or overwhelming work.
This is a quick, dramatic Portuguese reaction line that translates roughly to mercy, what satanic work is this. The speaker stretches the opening word with exaggerated horror, then lands the rest fast and exasperated, like they have just seen a job so bad it feels cursed. There is no music or build-up, just the raw vocal delivery and the comic contrast between a plea for mercy and the over-the-top accusation. That instant, theatrical disbelief is why it works as a punchline for fails, terrible DIY, chaotic group projects and work that immediately goes wrong.