Related:

• busy-wait vi. Used of human behavior, conveys that the subject is busy waiting for someone or something
  intends to move instantly as soon as it shows up, and thus cannot do anything else at the moment....
• block: [from process scheduling terminology in OS theory] 1.
  vi. To delay or sit idle while waiting for something....
• block v. [common; from process scheduling terminology in OS theory] 1.
  vi. To delay or sit idle while waiting for something....
• BWF: Busy, Wait Foreve
• voice: vt. To phone someone, as opposed to emailing them or connecting in {talk mode}.
  I'm busy now; I'll voice you later." -- The AI Hackers Dictionary...
• deadlock: n. 1. [techspeak] A situation wherein two or more processes are unable to proceed because each is waiting for one of the others to do something.
  A common example is a program communicating to a server, which may find itself waiting for output from the server before sending anything more to it, while the server is similarly waiting for more input from the controlling program before outputting anything....
• hot spot: n. 1. [primarily used by C/UNIX programmers, but spreading] It is received wisdom that in most programs, less than 10% of the code eats 90% of the execution time
  if one were to graph instruction visits versus code addresses, one would typically see a few huge spikes amidst a lot of low-level noise....
• deadlock n. 1. [techspeak] A situation wherein two or more processes are unable to proceed because each is waiting for one of the others to do something.
  A common example is a program communicating to a server, which may find itself waiting for output from the server before sending anything more to it, while the server is similarly waiting for more input from the controlling program before outputting anything....
• voice vt. To phone someone, as opposed to emailing them or connecting in talk mode.
  I'm busy now; I'll voice you later....