1. A party favor consisting of a paper roll (usually containing candy or a small favor) that pops when pulled at both ends; SYN. snapper, cracker bonbon.
2. A thin crisp wafer made or flour and water with or without leavening and shortening; unsweetened or semisweet.

A person who overcomes the security measures of a computer system and gains unauthorized access. The goal of some crackers is to obtain information illegally from a computer system or use computer resources. However, the goal of the majority is only to break into the system. See also hacker (definition 2).