foo
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English
Pronunciation
Noun
foo (plural foos)
- (computing) A metasyntactic variable used to represent an unspecified entity. If part of a series of such entities, it is often the first in the series, and followed immediately by bar.
- Suppose we have two objects, foo and bar.
- (slang) Also foo’. Representation of fool (foolish person), in a Mr. T accent.
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Middle English
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Etymology
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Noun
foo (plural foos)
- foe