◎ 驴打滚 lǘdǎgǔn
[snowballing usury in the old society where the borrower was required to pay interest on interest] 〈方〉∶一种高利贷,规定到期不还,利息加倍,以后越滚越多,像驴翻身打滚一样。比喻翻了又翻,常用来指重利盘剥