1. bosom friend - Noun
2. bosom friend - Phrase
bosom friend (plural bosom friends)
A very close friend.
I have had closer interactions with President Putin than with any other foreign colleagues. He is my best and bosom friend. I cherish dearly our deep friendship. Xi Jinping
The mere process of growing old together will make the slightest acquaintance seem a bosom friend. Ed Koch
Black Stars captain, Asamoah Gyan has given indications of releasing a new song after a long break, in the wake of the mysterious disappearance of his bosom friend and musician Castro. Source: Internet
Plus, did these critics realise; did they know that the winner of that election, Bashorun MKO Abiola, was his bosom friend? Source: Internet