The phrase "long head" typically refers to someone's tendency to think about and plan for the future. It means being good at making decisions that consider the possible consequences and benefits in the long run. Full definition
The short and long head of the biceps are just some of them. (fitnessandpower.com)
The casino boss enjoyed a decades - long head start in what is now the world's top gambling hub. (breakingviews.com)
My wardrobe has definitely changed since I became a mom — especially since I'm no longer heading in to school to teach everyday. (girlintheredshoes.com)