Related:

• barney n. In Commonwealth hackish, `barney' is to fred (sense #1) as bar is to foo.
  That is, pe who commonly use `fred' as their first metasyntactic variable will often use `barney' second....
• metasyntactic variable n. A name used in examples and understood to stand for whatever thing is under discussion, or any random member of a class of things under discussion.
  The word foo is the canonical example. To avoid confusion, hackers never (well, hardly ever) use `foo' or other words like it as permanent names for anything....
• fred: n. 1. The personal name most frequently used as a {metasyntactic variable} (see {foo}).
  Allegedly popular because it's easy for a non-touch-typist to type on a standard QWERTY keyboard....
• fred n. 1. The personal name most frequently used as a metasyntactic variable (see foo).
  Allegedly popular because it's easy for a non-touch-typist to type on a standard QWERTY keyboard....
• bar: /bar/ n. 1. The second {metasyntactic variable}, after {foo} and before {baz}.
  Suppose we have two functions: FOO and BAR. FOO calls BAR....
• foobar: n. Another common {metasyntactic variable}
  ee {foo}. Hackers do *not* generally use this to mean {FUBAR} in either the slang or jargon sense....
• bar /bar/ n. 1. [very common] The second metasyntactic variable, after foo and before .
  ..." 2. Often appended to foo to produce foobar....
• foobar n. [very common] Another widely used metasyntactic variable
  ee foo for etymology. Prob originally propagated through DECsystem manuals by Digital Equipment Corporation (DEC) in 1960s and early 1970...
• The Stones, I love the Stones. I watch them whenever I can. Fred, Barney... -- Steven Wrigh