English

Noun

bosom buddy ‎(plural bosom buddies)

1. A very close friend.
   • 1967, Paul O'Neil, "Super Bowl's Superman," Life, 13 Jan., p. 78 (retrieved 23 Nov 2010):

     He made a telephone call to his bosom buddy, drinking companion and confidant, CBS Sports Director Bill MacPhail.

   • 1996, Stephen King, The Regulators, Penguin, ISBN 9781440674211 :

     Although they were far from bosom buddies, she liked Mary Jackson as much as anyone on the street.

   • 2004, Matthew Cooper, "2004 Election: Candidates In the Wings," Time, 15 Nov.:

     Campaigning together frequently this fall, the former rivals became, if not bosom buddies, closer than either ever expected.

Synonyms

• (very close friend): bosom friend, cater-cousin, intimate