doesn't know beans

don't know beans

To know nothing or next to nothing. Don't ask me! I don't know beans about car engines. You don't know beans about what I'm going through, so just leave me alone, OK? Quit lecturing me, you don't know beans the issue.

See also: bean, know

Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.

doesn't know beans

Ignorance. The New England uncomplimentary description of a Bostonian who's so ignorant that he or she can't even cook the city's most famous dish of baked beans spread to the rest of the country.

See also: bean, know

Endangered Phrases by Steven D. Price Copyright © 2011 by Steven D. Price