humdinger /hum-dingˈər/ (slang)

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

• zinced
• zincier
• zinciest
• zinciferous
• zincification
• zincifications
• zincified
• zincifies
• zincify
• zincifying
• zincing
• zincite
• zincites
• zincked
• zinckier
• zinckiest
• zinckification
• zinckifications
• zinckified
• zinckifies
• zinckify
• zinckifying
• zincking
• zincky
• zinco