The term 'BIG GUY' can be broken down into two crossword solutions: BOSS (4 letters) and BIG (3 letters). The term 'BOSS' is a job title that is typically used to refer to someone who is in charge of a group or organization. This person is usually responsible for making decisions, setting goals, and managing resources. The term 'BIG' is an adjective that is used to describe something that is large in size or importance. Therefore, the term 'BIG GUY' can be used to refer to someone who is in a position of power and authority, such as a BOSS.