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Definition of 'cracker'


  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: firecracker banger
  5. a party favor consisting of a paper roll (usually containing candy or a small favor) that pops when pulled at both ends
       Synonyms: snapper cracker bonbon

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