a share of profits, sometimes one that is obtained secretly or dishonestly:
• Corrupt officials may expect a rake-off when expensive goods are imported.
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rake-off UK US noun [C] INFORMAL
► a large amount of money that someone gets, often unfairly, from the profits of an investment or business activity: »
Company bosses are already making a large rake-off from executive share options.
Financial and business terms. 2012.