The term 'Big Rollers' is often used to refer to people who have a lot of money and influence. The crossword solution for this term is 'SEMIS, ' which is short for semi-trailers, which are large trucks used to transport goods. Semi-trailers are often associated with the trucking industry, which is a major source of income for many people. Thus, the term 'Big Rollers' can be used to refer to those who have a lot of money and influence in the trucking industry.