humdinger /hum-dingˈər/ (slang)

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

• hanky-panky
• Hanoverian
• Hansa
• Hansard
• hansardise
• hansardised
• hansardises
• hansardising
• hansardize
• hansardized
• hansardizes
• hansardizing
• Hanse
• Hanseatic league
• hansel
• hanselled
• hanselling
• hansels
• Hansen's disease
• hansom
• hansom-cab
• hansoms
• ha'n't
• hantavirus
• hantaviruses