(as) bright as a (new) penny(redirected from bright as pennies)
(as) bright as a (new) penny
Intelligent and quick-thinking. Ted's as bright as a penny, so he'll find a solution to this problem. Of course Ellen could be valedictorian—she's bright as a new penny.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
bright as a button/new penny
Of quick intelligence. The expression links the sparkle of a good mind with the shininess of a brass button or new coin. The adjective bright has been used in the sense of “quick-witted” and “intelligent” since about 1700.
The Dictionary of Clichés by Christine Ammer Copyright © 2013 by Christine Ammer