1. Facebook official: declared publicly on Facebook by updating a profile descriptor, as designating a relationship status of single, in a relationship, married, separated, etc.: We’ve been dating for more than a year, but only recently made it FBO.

  2. for the benefit of. : Also F/B/O .

Words Nearby FBO

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023