foaf

Free On-line Dictionary of Computing

FOAF

[Usenet] Friend Of A Friend. The source of an unverified, possibly untrue story. This term was not originated by hackers (it is used in Jan Brunvand's books on urban folklore), but is much better recognised on Usenet and elsewhere than in mainstream English. [Jargon File]

The Jargon File

FOAF //, n.

[Usenet; common] Acronym for ‘Friend Of A Friend’. The source of an unverified, possibly untrue story. This term was not originated by hackers (it is used in Jan Brunvand's books on urban folklore), but is much better recognized on Usenet and elsewhere than in mainstream English.