An "Americanism" from the Washington Times:
Employee' needs more training
Oct 5, 2006 - He's a scanner-gun-toting cowboy who works the register like Bill Clinton works a crowd. Like Bill Clinton
And here are a few nouns that should be serviceable,
prodigy noun: plural noun: prodigies
• a person, especially a young one, endowed with exceptional qualities or abilities. "a Russian pianist who was a child prodigy in his day"
synonyms: genius, mastermind, virtuoso, wunderkind, wonder child, boy wonder, girl wonder
• an impressive or outstanding example of a particular quality. "Germany seemed a prodigy of industrial discipline"
synonyms: model, classic example, paragon, paradigm, epitome, exemplar, archetype; see, Google prodigy
genius noun:; plural noun: geniuses
- exceptional intellectual or creative power or other natural ability.
"she was a teacher of genius"
synonyms: brilliance, intelligence, intellect, ability, cleverness, brains, erudition, wisdom, fine mind; see, Google genius
savant noun:; plural noun: savants
a learned person, especially a distinguished scientist.
synonyms: intellectual, scholar, sage, philosopher, thinker; see, Google savant