Chamillionaire is a Houston rapper who turned years of mixtape hustle into one of the defining hip-hop singles of the mid-2000s. "Ridin'", released in 2005 with a guest verse from Krayzie Bone, was a slow-rolling, paranoid anthem about being profiled by police, and it topped the US Billboard Hot 100 and won a Grammy, helped along by an endlessly parodied "ridin' dirty" hook.
He kept releasing music and built a respected name in the industry, later becoming a notable tech investor, but no other single came close to that breakthrough.
On streaming, "Ridin'" sits near 323 million plays, while his next most-streamed track, "Good Morning", trails at around 24 million. That sends the ratio above 13, far past our 5.0 line.
By our measure Chamillionaire is a certified one-hit wonder, at least in the streaming era. His is a familiar mid-2000s story: a hard-working rapper who landed one perfectly timed crossover hit, so huge and so quoted that it became shorthand for an entire moment, then watched the mainstream spotlight move on while that single track stayed far ahead of everything else in his catalogue.