hip pocket 
noun
A pocket in the back of a pair of trousers.She lifted her chin defiantly, shoving her hands into the hip pockets of her jeans....
- ‘Okay, that's it,’ Jeremiah said, stepping back and wiping his hands on a rag he had tucked in the hip pocket of his jeans.
- He stuffed Marisa's bikini top into his hip pocket and continued forward.
Phrases
in someone's hip pocket
- policemanship
- police-master
- police matron
- police message
- police novel
- police office
- police officer
- police orphanage
- policeperson
- Police Positive
- police power
- police procedural
- police rate
- police record
- police reporter
- police riot
- police runner
- police science
- police scientist
- police service
- police siren
- police special
- police state
- police station
- police tape