cookie jar

noun

1. a jar or other container for storing cookies.

2. such a container used for storing money.

Word History and Origins

Origin of cookie jar¹

An Americanism dating back to 1940–45

Idioms and Phrases

Idioms

1. have one's hand in the cookie jar, to take or attempt to take advantage of one's position by demanding or accepting favors or bribes.

   They suspected the mayor's assistant had his hand in the cookie jar.