logic bomb 
noun Computing
A set of instructions secretly incorporated into a program so that if a particular condition is satisfied they will be carried out, usually with harmful effects.That can mean stealing information, destroying files, or virtually shutting down an entire company through the use of a Trojan horse or logic bomb....
- In addition, in cases where a virus contains a time or logic bomb, sandboxing is rarely successful.
- Worm attacks, domain-name high-jacking, logic bombs, mail bombs and Trojan horses have all been utilized by hackers, but now denial-of-service attacks are gnawing away at the Internet's soft underbelly.
- good-enough Morgan
- good-enough mother
- good even
- good evening
- good fairy
- good faith
- good-faith residence
- good-father
- goodfella
- goodfellowhood
- good-fellowish
- good-fellowly
- good fellowship
- good-fitting
- good folk
- good form
- good-for-naught
- good-for-nothing
- good-for-nothingness
- good-for-nought
- good for (or on) you (or him, her, etc.)!
- good-for-something
- good for the soul
- Good Friday
- Good Friday agreement