line (your) (own) pockets

to make a lot of money for yourself.

Allowing patients to sue will increase the cost of health insurance and line lawyers' pockets.

He was using his position as an immigration official to line his pockets.

Usage notes: usually said about a person who either makes money illegally or takes more than is fair or right

Related vocabulary: feather your own nest

• have finger on the button
• have finger on the pulse
• have fingers in the till
• have first call on
• have first call on something
• have first crack at
• have first crack at something
• have first refusal
• have friends in high places
• have fun and games
• have going for
• have going for it
• have going for you
• have got it bad
• have got it made
• have got number
• have got someone's number
• have got the hump
• have got to be kidding
• have got to hand it to
• have got to hand it to someone
• have green fingers
• have guts for garters
• have had a bellyful of
• have had a bellyful of something