Definition of "FB"
FB
proper noun
(Internet) Abbreviation of Facebook.
noun
plural FBs
(soccer) Initialism of fullback.
(military) Initialism of firebase.
(military) Initialism of forward base.
(sports) Abbreviation of final B.
(Internet) Abbreviation of Facebook.
plural FBs
(soccer) Initialism of fullback.
(military) Initialism of firebase.
(military) Initialism of forward base.
(sports) Abbreviation of final B.