1. (

• cracker

) a thin crisp wafer made of flour and water with or without leavening and shortening; unsweetened or semisweet ;

2. (

• redneck ,
• cracker

) a poor White person in the southern United States ;

3. (

• cracker ,

) a programmer who cracks (gains unauthorized access to) computers, typically to do malicious things; "crackers are often mistakenly called hackers" ;

4. (

• firecracker ,
• cracker ,
• banger

) firework consisting of a small explosive charge and fuse in a heavy paper casing ;

5. (

• cracker ,
• snapper ,
• cracker_bonbon

) a party favor consisting of a paper roll (usually containing candy or a small favor) that pops when pulled at both ends ;