screw: [MIT] n. A {lose}, usually in software. Especially used for user-visible misbehavior caused by a bug or misfeature.

Related:

• screw n. [MIT] A lose, usually in software. Especially used for user-visible misbehavior caused by a bug or misfeature.
  This use has become quite widespread outside MIT...
• win: [MIT] 1. vi. To succeed. A program wins if no unexpected conditions arise,
  or (especially) if it sufficiently {robust} to take...
• misfeature: /mis-fee'chr/ or /mis'fee`chr/ n. A feature that eventually causes lossage,
  possibly because it is not adequate for a new situation...
• demon: n. 1. [MIT] A portion of a program that is not invoked explicitly,
  but that lies dormant waiting for some condition(s)...
• TMRCie: /tmerk'ee/, [MIT] n. A denizen of {TMRC}. -
  The AI Hackers...
• win [MIT; now common everywhere] 1. vi. To succeed.
  A program wins if no unexpected conditions arise...
• showstopper: n. A hardware or (especially) software bug that makes an implementation effectively unusable;
  one that absolutely has to be fixed before development...
• number-crunching: n. Computations of a numerical nature,
  esp. those that make extensive use of floating-point...
• CTY: /sit'ee/ or /C-T-Y/ n. [MIT] The terminal physically associated with a computer's system {{console}}.
  The term is a contraction of `Console {tty}', that...