"Numa Numa" refers to a viral video featuring Gary Brolsma, who lip-synced to the song "Dragostea Din Tei" by the Romanian band O-Zone. The video was uploaded to Newgrounds in 2004 and quickly gained popularity, becoming one of the first internet memes. The phrase "Numa Numa" itself comes from the song's catchy chorus. The video showcases Brolsma's enthusiastic performance, which resonated with viewers and contributed to its widespread appeal. This phenomenon marked a significant moment in early internet culture, highlighting the power of user-generated content.