In someone's hip pocket - Idioms by The Free Dictionary
in someone's hip pocket
in (one's) hip pocket
Under one's the direct control or influence, especially due to financial reasons. It's pretty obvious that our national legislators are all in corporate bigwigs' hip pockets! I hear that the boss has half the police force in his hip pocket.
in someone's hip pocket completely under someone's control. North American
References in periodicals archive
Ah, the things you learn when you're living, almost literally, in someone's hip pocket