cracker

Noun

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

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

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

• a poor White person in the southern United States

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

Related words

• Synonyms: 
  snapper , cracker bonbon , firecracker , banger , redneck