noun Technical meaning of foobar (jargon) Another common metasyntactic variable; see foo. Hackers do *not* generally use this to mean FUBAR in either the slang or jargon sense. According to a german correspondent, the term was coined during WW2 by allied troops who could not pronounce the german word "furchtbar" (horrible, terrible, awful). 1
noun foobar (slang) A serious mistake. 1
noun foobar (computing) A metasyntactic variable name, a place holder for words; compare foo, bar. 0
