Definition of cracker
2
:something that makes a cracking or snapping noise: such as
a
:firecracker
b
:the snapping end of a whiplash :snapper
c
:a paper holder for a party favor that pops when the ends are pulled sharply
4
:a dry thin crispy baked bread product that may be leavened or unleavened
5 a
offensive
—used as an insulting and contemptuous term for a poor, white, usually Southern person
b
sometimes offensive
:a native or resident of Florida or Georgia
—used as a nickname
6
:the equipment in which cracking (as of petroleum) is carried out
7
:hacker 4
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