MEANING: noun: Someone or something outstanding, remarkable, or unusual.

ETYMOLOGY: Of uncertain origin. Perhaps a blend of hummer and dinger, both meaning someone or something exceptional. Earliest documented use: 1883.

BUMDINGER - a pitched baseball that hits the batter in the backside (see also HAMDINGER)

HUMWINGER - a small bird whose wings move extremely fast, permitting it to hover in the air

HUMMING-ER - the resident in the Emergency Room was singing more quietly to herself