The song "Fireball Mail" by Ernest Tubb is a tribute to the power and speed of a train called the "Fireball Mail." It describes the excitement and energy of witnessing the train as it roars down the tracks, devouring coal and leaving a trail of smoke behind. In the lyrics, the singer admires the train's speed and agility, comparing it to a hound wagging its tail. They marvel at the sound of the train's whistle and the deep rumble of its engine. The train is on its way to Dallas, and the anticipation builds as it races towards its destination. The song reflects the fascination and awe that many people feel towards trains, especially in the era when train travel was a common mode of transportation. The "Fireball Mail" symbolizes not only the power of the locomotive but also the excitement and adventure associated with train travel. Overall, the meaning of "Fireball Mail" is centered around the admiration for the train and the emotions it evokes. It captures the thrill and wonder of witnessing a fast-moving train hurtling down the tracks with its mighty engine, representing the spirit of travel and adventure.