2018, Oliver Bullough, chapter 4, inMoneyland, Profile Books,→ISBN, page65:
Central to his [Yury Skuratov's] investigation werekickbacks supposedly paid by a Swiss construction company for contracts to restore government buildings, including both houses of parliament.
You sell cars and help arrange car insurance for buyers. Insurance brokers pay back part of their commissions to you for referring customers to them. You must include thekickbacks in your income.
(countable, machinery) An accident where an object being cut by arotatingblade ordisk, such as acircular saw, is caught by the blade and thrown outward.
(machinery,forestry) An accident wherein the upper tip of thebar of a runningchainsaw contacts a relativelyimmovable object, forcing the bar upwards and pressing the runningchain more firmly against the object, causing the saw to behurled upwards and backwards into the operator'sface.
We've come a long way since then. The progeny of that nail have been bent and twisted into what we all know and love as roll overs,kickbacks, and thumper-bumpers.