Today’s Best Word Ever should be OOPS, for posting two “O” words in a row, but it’s peccadillo: a slight offense.
A noun, from Spanish pecadillo, the diminutive of pecado, “sin,” from Latin peccatum, from neuter of peccatus, past participle of peccare, “to err, to sin.” First known use:1600.
“It was just a dozen mini glazed!” the accused doughnut thief argued with the interviewing officer. “Fault me with a peccadillo—don’t charge me with grand larceny!”