adj. (common).First-rate.
1843. DICKENS, Martin Chuzzlewit, xiii. Ah! said Bill . LUMMY Ned of the Light Salisbury, he was the one for musical talents.
1883. Punch, 28 July, p. 38, col. 1. Londons gettin more LUMMY each day; theres sech oshuns to see and enjoy!
1892. MILLIKEN, Arry Ballads, p. 4. Ardly know which is LUMMIEST.