"Male bodybuilders" refers to men who engage in the sport of bodybuilding, which involves intense exercise and weightlifting to develop and shape their muscles. Full definition
Body composition changes in elite male bodybuilders during preparation for competition. (completehumanperformance.com)
Male bodybuilders usually have a trouble stimulating their calves to grow, while most of the ladies don't really enjoy having large calves that barely fit in their favorite pair of skinny jeans. (fitnessandpower.com)