coffee money
n.— «Any company operating in Nigeria would show its biggest overhead as something called PR Expenses, what in common parlance is known as coffee money or just plain bribery—an expense that has to be incurred if you have to carry out business in Nigeria.» —“Coffee money and corruption” by Rashmi Dalvi Carpe Imperium Mundo? (Lagos, Nigeria) Ma 3, 2005. (source: Double-Tongued Dictionary)