The song's infectious hook, "If it's up, then it's up, then it's up, then it's stuck," carries a specific meaning rooted in Southern slang:
: With "Up" hitting #1 on the Billboard Hot 100 , Cardi B became the first female rapper to have multiple solo #1 hits on that chart. Cardi B - Up
: In interviews, she humorously compared the feeling of being "stuck" to the physical discomfort of being unable to use the bathroom, adding her signature blunt personality to the explanation. Visuals and Production The song's infectious hook, "If it's up, then
: The track concurrently topped the Billboard Hot 100 , Hot R&B/Hip-Hop Songs , and Hot Rap Songs charts. The song's infectious hook