'Hotshot' definitions:

Definition of 'hotshot'

(from WordNet)
noun
Someone who is dazzlingly skilled in any field [syn: ace, adept, champion, sensation, maven, mavin, virtuoso, genius, hotshot, star, superstar, whiz, whizz, wizard, wiz]

Definition of 'Hotshot'

From: GCIDE
  • Hotshot \Hot"shot`\, n. a successful, self-confident person who is regarded by others as highly skilled; -- sometimes used ironically in reference to aggressive persons whose opinion of their own talents is considered exaggerated. [PJC]

Definition of 'hotshot'

From: GCIDE
  • hotshot \hot"shot`\, a.
  • 1. highly talented, self-confident and successful. [PJC]
  • 2. flamboyantly displaying one's skills. [PJC]