cracker meaning and definition

CRACKER noun

Definition of cracker (noun)

1. a thin crisp wafer made of flour and water with or without leavening and shortening; unsweetened or semisweet
2. a poor White person in the southern United States
   • synonyms: redneck
3. a programmer who cracks (gains unauthorized access to) computers, typically to do malicious things
   • "crackers are often mistakenly called hackers"
4. firework consisting of a small explosive charge and fuse in a heavy paper casing
   • synonyms: banger, firecracker
5. a party favor consisting of a paper roll (usually containing candy or a small favor) that pops when pulled at both ends
   • synonyms: cracker bonbon, snapper