We found 2 dictionaries that define the word be in each other's pockets:

General (2 matching dictionaries)

1. be in each other's pockets: Merriam-Webster
2. be in each other's pockets: Wiktionary

Definitions from Wiktionary (be in each other's pockets) ▸ verb:  Synonym of live in each other's pockets ▸ Words similar to be in each other's pockets ▸ Usage examples for be in each other's pockets ▸ Idioms related to be in each other's pockets ▸ Wikipedia articles (New!) ▸ Words that often appear near be in each other's pockets ▸ Rhymes of be in each other's pockets ▸ Invented words related to be in each other's pockets