1. adjective Having absolutely no value in terms of culture, quality, or intelligence; below lowbrow. The film is so vulgar, so thoroughly enamored with its own despicable filth, that it isn't even lowbrow—it's no-brow. The play is just one no-brow sex joke after another.
2. adjective A person who consumes and enjoys media of this caliber or description. Rundown places like this one attract the no-brows crawling out of the woodwork of the city.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
n. a stupid person. (Patterned on lowbrow.) Sam is a complete no-brow. No culture, no sense of style, and no money.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.