Heavy spinners like hit records:
A spinner is a hubcap that spins independent of the wheel’s motion. When a record (records spin too) sells a lot of copies it “goes gold” or platinum (these are heavy metals)
But since spinners weren’t out in 1996, it’s more likely that he meant heavy spinners as in hit records or hot songs get major rotation on a radio station. Also known as “spins” for the movement of the record on the player.
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