rake-off

[reyk-awf, -of] /ˈreɪkˌɔf, -ˌɒf/
noun
1.
a share or amount taken or received illicitly, as in connection with a public enterprise.
2.
a share, as of profits.
3.
a discount in the price of a commodity:
We got a 20 percent rake-off on the dishwasher.
Origin
1885-90, Americanism; noun use of verb phrase rake off
British Dictionary definitions for rake-off

rake-off

noun
1.
a share of profits, esp one that is illegal or given as a bribe
verb
2.
(transitive, adverb) to take or receive (such a share of profits)
Slang definitions & phrases for rake-off

rake-off

noun
  1. A gambling house's percentage of each pot or stake
  2. An illegal or unethical share or payment

[1888+; fr the rake used by casino croupiers]