bff

or BFF

Informal.
  1. a person's best friend, typically a girl's best friend (sometimes used facetiously): I really miss my bffs. Cheryl in Customer Service called twice today—she's my new BFF.
  2. one’s close associate, ally, or supporter: the oil lobby and its bff’s in Congress.

Origin of bff

First recorded in 1995-2000; initial letters of best friend/friends forever
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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