What is cruisin down the street in my 64?

"Cruisin down the street in my 64" is a phrase from a famous song called "Boyz-n-the-Hood" by rapper Eazy-E. The song was released in 1987 and became one of the biggest hits of the gangsta rap genre. The phrase "cruisin down the street in my 64" describes driving around in a lowrider car from the year 1964, which is a popular vehicle choice among lowrider enthusiasts. The song highlights the lifestyle and culture of young African Americans living in the inner city of Los Angeles in the 1980s, where lowrider cars were seen as a symbol of status and coolness.