Virus

/bæk-end/

The back end refers to parts of a computer application or a program's code that allow it to operate and that cannot be accessed by a user. Most data and operating syntax are stored and accessed in the back end of a computer system. Typically the code is comprised of one or more programming languages.

/aydz/

n. Short for A* Infected Disk Syndrome ('A*' is a glob pattern that matches, but is not limited to, Apple), this condition is quite often the result of practicing unsafe SEX.

See virus, worm, Trojan horse, virgin.