Put this clip in your edit right after the claim that everything is finished, then follow it with the fail sound meme button as the paperwork problem is revealed. For a longer build, place SpongeBob a few moments later first, then return to the unfinished desk.
About this sound
A 3.9-second Spanish voice clip delivering the line 'No ordenaste tu papeleo,' accusing someone of not sorting their paperwork the night before. The delivery feels pointed and funny in an awkward, caught-out way, like a scolding that lands because the excuse has already run out and everyone listening knows the job was left undone.