Put it at the very end of a fail sequence as the final beat, after a record scratch sound and before a sad trombone sound to close the edit on your own error.
About this sound
A 2.7-second spoken clip in Portuguese where Smzinho says “eu sou burro mesmo,” which translates to “I really am dumb.” The line is delivered flat and resigned, and that deadpan honesty gives it a funny, self-deprecating sting that makes a small mistake feel instantly relatable to anyone watching.