foobar

Definition from Wiktionary, a free dictionary

[edit] English

Wikipedia

[edit] Etymology

Phonetic spelling of “FUBAR”, an acronym for “Fucked up beyond all recognition”.

[edit] Noun

foobar (uncountable)

1. (slang) A serious mistake.
2. (computing) A metasyntactic variable name, a place holder for words; compare foo, bar.