don't know beans(redirected from didn'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.
Farlex Dictionary of Idioms. © 2015 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.
Endangered Phrases by Steven D. Price Copyright © 2011 by Steven D. Price