cracker: Meaning and Definition of

crack•er

1. a thin, crisp biscuit.
2. a firecracker.
3. a small paper roll used as a party favor, that usually contains candy, trinkets, etc., and that pops when pulled sharply at one or both ends.
4. (cap.)a native or inhabitant of Georgia (used as a nickname).
5. . a poor white person living in some rural parts of the southeastern U.S.
6. snapper (def. 5).
7. braggart; boaster.
8. a person or thing that cracks.
9. a chemical reactor used for cracking. Cf. catalytic cracking, fractionator.

1. wild; crazy: They went crackers over the new styles.