Definitions include: A vacuous twit whose life experience resulted in no intellectual growth whatsoever; whose self-image was formed by sycophants and servants; whose accomplishments were achieved solely by the labors of others; whose wealth was "won" by the blind luck of one sperm accidentally finding a soft-shelled ovum.
Definitions include: the more outgoing person in a pair. Origin: refers to folk-rock 1960s duo Simon and Garfunkel. Art Garfunkel, who did not write or play an instrument, arguably was the better singer of the two. He was also more personable/talkative. In a way, the "sidekick" of Simon. See also Simon.