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Big Fat F'n Gay. An expression used in fun to greet a close friend. Also used as a descriptive term.
Clous, you are a BFFG.
by Deavo April 07, 2011
Best Friends From the Galaxy or Garland. Bestest friends forever and ever better than the rest.
Ricardo and Liz are BffG's
by Chalulahhh May 12, 2010