The song "Jump" by David Guetta & GLOWINTHEDARK is a high-energy, party anthem that encourages people to let loose and have fun. The lyrics primarily focus on the act of jumping and getting the crowd to join in. "Ay girl, pom like pompa" is a repetitive phrase that adds to the catchy and energetic nature of the song. It seems that the song doesn't convey a specific deep meaning or story. Instead, it aims to create a vibrant atmosphere and get listeners dancing and jumping along. The repetition of phrases and the energetic beat are meant to engage the audience and inspire them to join in the fun.