Wordnet 3.0
NOUN (1)
1. 
 a set of instructions inserted into a program that are designed to execute (or `explode') if a particular condition is satisfied; 
 when exploded it may delete or corrupt data, or print a spurious message, or have other harmful effects; 
- Example: "a disgruntled employee planted a logic bomb"[syn: logic bomb, slag code]
WordNet (r) 3.0 (2006):
slag code
    n 1: a set of instructions inserted into a program that are
         designed to execute (or `explode') if a particular
         condition is satisfied; when exploded it may delete or
         corrupt data, or print a spurious message, or have other
         harmful effects; "a disgruntled employee planted a logic
         bomb" [syn: logic bomb, slag code]