The lyrics you're referring to come from the song "Sicko Mode" by Travis Scott, where he contrasts his past life with his current, more opulent lifestyle. In this context: - "Back in high school, I used to bus it to the dance" implies that in his high school days, he would take a public bus to go to school dances, which suggests a more modest way of living or financial situation. - "Now I hit the FBO with duffels in my hands" shows a sharp contrast to his past. "FBO" stands for Fixed-Base Operator, which is a service center at an airport that offers services to private aircraft. The mention of "duffels in my hands" likely suggests he is traveling with cash or items representing wealth. In other words, he went from taking the bus to now traveling on private planes with a lot of belongings or wealth, symbolizing his success and changes in lifestyle. This transformation from a humble beginning to luxurious, affluent status is a common theme in many hip-hop and rap songs, where artists often discuss their rise to fame and financial prosperity. The idea is to showcase personal growth and success over time.