line pockets

line (one's) (own) pocket(s)

To make a large amount of money for oneself in a way that is considered greedy or dishonest. The phrase typically implies that one is prioritizing making money above some other, more admirable goal. He doesn't care about creating some digital utopia—he's just trying to line his own pockets. This new contract is going to line our pockets for years.
See also: line

line (one's) pockets

To make a profit, especially by illegitimate means.
See also: line, pocket
References in periodicals archive ?
These are guys who have had an age of seeing administrators chisel and cheat, duck and dive, line pockets and generally insult the game.
The situation occurs because some people want to line pockets and come to power.
Everyone should enjoy a brief day-dream of the wonderful things pounds 82m of wasted council taxpayer''s money could better do than line pockets of a few shareholders and senior officials.
Throughout rural China, self-taught lawyers are filing and prosecuting complaints in local courts, offering China's peasants nonviolent ways to resist bullying bureaucracies that often bleed them dry with taxes to make up shortfalls or line pockets.
Guests have been known to line pockets and Tupperware boxes with biscuits.