"Back That Azz Up" is a legendary music video released in 1999 by the rapper Juvenile, featuring appearances by Lil Wayne and Mannie Fresh. The video, which helped define the Cash Money Records era, features the artists performing in a high-energy club environment in New Orleans. The clip captures the iconic moment of the song's rhythmic peak, showcasing the vibrant and infectious energy of Southern bounce culture. As a meme, this clip is the gold standard for representing a 'vibe shift' or the moment a celebration officially starts. It is frequently used to illustrate scenarios where someone is overwhelmed by nostalgia or can't help but dance to a classic hit. Common relatable scenarios include getting paid, finishing a hard week of work, or hearing a favorite throwback song. Example captions include: 'When the direct deposit finally hits on a Friday,' 'Me when that one song from middle school comes on,' and 'My last two brain cells when I should be working.'