cookie jar
US /ˈkʊk.i ˌdʒɑːr/
UK /ˈkʊk.i ˌdʒɑːr/
1.
a jar for keeping cookies in
:
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My grandmother always kept her homemade chocolate chip cookies in a ceramic cookie jar on the counter.
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The child's hand was caught in the cookie jar.
2.
a source of money or resources that is tempting to take from, often illicitly
:
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The politician was accused of having his hand in the public's cookie jar.
•
He was caught with his hand in the cookie jar, taking money from the company's petty cash.