foo A sample name for absolutely anything,
especially programs and files (especially scratch files).
First on the standard list of metasyntactic variables used
in syntax examples.
The terms foobar, foo, bar, and baz are sometimes used as placeholder names (also referred to as metasyntactic variables) in computer programming or computer-related documentation. They have been used to name entities such as variables, functions, and commands whose purpose is unimportant and serve only to demonstrate a concept. The words themselves have no meaning in this usage. Foobar is sometimes used alone; foo, bar, and baz are sometimes used in that order, when multiple entities are needed.
by fooman99 November 15, 2010
A term used when describing the need for either a very big fart or a very small pooh, but you're not sure.
Damn, I think I need a foo!
by Cassandra Nilsson October 12, 2007
A term used in an instance when you need either a very big fart or a very small pooh but are unsure as to which.
Damn, I think I need a foo!
by Cassandra Nilsson August 09, 2007
A term used in an instance when you need either a very big fart or a very small pooh but are unsure as to which.
Damn, I think I need a foo!
by Cassandra Nilsson August 02, 2007
Nickname of a child named Matthew, too young to pronouce his name correctly.
Little Matthew could not pronounce his name. He always said "Ma-foo", so he became known as "Foo".
by Fizzie April 05, 2006
A cry of exasperation. Generally triggered by something traumatizing to your personal psyche. See foomatic.
Man: "I'm going to be late again."

Woman: "Foo."
by hampuff June 19, 2005
Used in the 80's to identify a person. Now only homo people from the west coast use it. West coast people also known as HOMO THUGS
I b from the west foo i b whack foo
by PSXy April 09, 2005
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