cracker

US /ˈkræk.ɚ/
UK /ˈkræk.ɚ/
"cracker" picture
1.

a thin, flat, savory biscuit, typically eaten with cheese or other toppings

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She spread cheese on a cracker.
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We had soup and crackers for lunch.
:
biscuitwaferrusk
2.

a firework that explodes with a sharp, loud noise

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The children lit a small cracker, and it popped loudly.
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New Year's Eve is often celebrated with fireworks and crackers.
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fireworkbangerpopper
3.

a person who breaks into computer systems, typically with malicious intent

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The company hired a cybersecurity expert to protect against crackers.
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A notorious cracker was arrested for breaching government systems.
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hackercybercriminalintruder
4.

(derogatory) a poor white person, especially one living in the rural southern US

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The term 'cracker' is considered offensive when used to describe people.
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Historically, 'cracker' was used to refer to poor white laborers in the South.
:
redneckhillbillywhite trash
:
graham crackercream crackeranimal cracker