humdinger /hum-dingˈər/ (slang)

1. An exceptionally excellent person or thing
2. A smooth-running engine
3. A swift vehicle or aircraft

• hubristically
• hubs
• huck
• huckaback
• huckabacks
• huckle
• huckle-backed
• huckleberries
• huckleberry
• huckleberrying
• huckleberryings
• huckle-bone
• huckle-bones
• huckles
• huckle-shouldered
• hucks
• huckster
• hucksterage
• hucksterages
• huckstered
• hucksteress
• hucksteresses
• hucksteries
• huckstering
• hucksters