The word origionated with Mr.T. Due to the extended contact with cheap substitute gold, he can no longer tell the difference between anybody he meets. In order to save himself the humiliation of asking who he's talking to, he simply refers to anyone and every one as 'foo' or 'sucka'.
"Dial 1-800-COLLECT, foo!"
especially programs and files (especially scratch files).
First on the standard list of metasyntactic variables used
in syntax examples.
2. A commonly used programming variable, used when someone doesn't want to spend the time thinking up a real name for it.
3. A metasyntactic variable commonly used by coders.
Foo is often used in conjunction with the words bar baz and qux
2. foo = 3;
3. "Damn! Dont we have any good food? All thats left is this foo!"
"The code is full of foo"