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....
• barney: n. In Commonwealth hackish, `barney' is to {fred} (sense #1) as {bar} is to {foo}.
  That is, people who commonly use `fred' as their first metasyntactic variable will often use `barney' second....
• Barney: Hey, Homer, you wanna go bowling next Sunday?
  Homer: Barney, are you nuts? That's the Super Bowl!...
• PPN /P-P-N/, /pip'n/ n. obs. [from `Project-Programmer Number'] A user-ID under TOPS-10 and its various mutant progeny at SAIL, BBN, CompuServe, and elsewhere.
  Old-time hackers from the PDP-10 era sometimes use this to refer to user IDs on other systems as well....
• PPN: /P-P-N/, /pip'n/ [from `Project-Programmer Number'] n.
  A user-ID under {{TOPS-10}} and its various mutant progeny at SAIL, BBN, CompuServe, and elsewhere....
• disbar, n: As distinguished from some other bar.
• Barney is a purple velociraptor, and he loves your kids!
• 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....
• Hell on Earth: Barney and Friends.