What rap song from the late 90s starts with de de de de dedede?

The rap song you're referring to is likely "Intergalactic" by the Beastie Boys, released in 1998. The song features a distinctive beat and catchy hook that begins with a repetitive "de de de de dedede" sound. It's known for its innovative blend of hip-hop and electronic music, showcasing the group's creative style during that era.