bust down verb 6noun 3forms 5 verb6 •(slang) Break down; •(slang) To dance in a way that is energetic, promiscuous, or suggestive. •(slang) To cover with diamonds.I just bought the Rollie, 'bout to bust it down — 2018 •(slang) To attack, kill or knock down (someone). •(slang) To insult or demean (someone).I'll bust him down until he cries. •(slang) To share a cigarette with (someone). noun3 •[before a noun] A jewellery encrusted with diamonds, especially a wristwatch drilled and filled thus or with other gemstones.How you want a bust down with the forty karats? — 2021 •A woman of easy virtue.I'm on the west side of Chicago, looking for a bust-down — 2003 •An unsmoked half of a cigarette. formsbusted down · busting down · busts down · bust downs · bust-downs