slush fund
US /ˈslʌʃ ˌfʌnd/
UK /ˈslʌʃ ˌfʌnd/

1.
秘密资金, 贿赂基金
a reserve of money used for illicit purposes, especially political bribery
:
•
The politician was accused of using a slush fund to pay off witnesses.
这位政客被指控利用秘密资金收买证人。
•
Investigators uncovered a massive slush fund used for illegal campaign activities.
调查人员发现了一个用于非法竞选活动的大规模秘密资金。