that and a dollar will get you a cup of coffee en · X
Etymology
Implying that a dollar is the cost for the coffee, leaving the other item worthless.
Meanings
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(US) A comment used to imply that either previously stated information, an ability, or an item, are of no value.
So you can name all the Chinese provinces? That and a dollar will get you a cup of coffee.
Synonyms
that and a token will get you on the subway · that and twenty-five cents will get you a cup of coffee