Someone who advises a public figure or maintains a professional role that does not garner public attention. Originally used to describe scientists and technicians who worked without public knowledge or recognition in the United Kingdom during World War II. Primarily heard in UK. Although he is a skilled political strategist, he lacks the charm and charisma necessary to run for office himself and, therefore, is likely to stay a backroom boy for the rest of his career.
Fig. any private group of men who make decisions, usually political decisions. (See also .) The boys in the back room picked the last presidential candidate.The backroom boys have decided too many things in the past. Their day is over.
someone who does a lot of work in the type of job where they are not often seen by the public (often plural) Editors are very much the backroom boys of the film world.