a. slang. First-rate.
1838. Dickens, O. Twist, xliii. Jack Dawkins—lummy Jack—the Dodger—the Artful Dodger.
1864. Slang Dict., Lummy, jolly, first-rate.
1883. Punch, 28 July, 38/1. London’s gettin’ more lummy each day; there’s sech oshuns to see and enjoy!
