whizz kid
/ˈwɪz ˌkɪd/
noun
- A young person who is very intelligent, successful, or skilled, especially in business or technology.
- The company was started by a teenage whizz-kid from Silicon Valley.
- She's a whizz-kid who built her first app at age twelve.
- The young whizz-kid became a millionaire before turning twenty.
Synonyms