"nerdy intellectual," by 1986, U.S. teenager slang, from the character Poindexter, introduced 1959 in the made-for-TV cartoon version of "Felix the Cat."
Online Etymology Dictionary, © 2010 Douglas Harper
Examples from the Web for poindexter
Poindexter followed with a recitation of the Iran program filled with deliberate inaccuracies.
On the morning of November 25, Regan advised Poindexter to be prepared to step down as national security advisor.
He spoke to Reagan, Bush, Regan, McFarlane, Poindexter, and perhaps others.
The total missile count was double the figure Poindexter reported.
He found Poindexter on the ground, bleeding from a bullet wound to his chest.Ferguson’s Only Unsolved Murder
October 20, 2014
"But it has never been recorded," said Poindexter, with a carelessness he was far from feeling.
She said this so naturally and quietly that Poindexter was deceived.
She tried to recall Poindexter's words, even her own enthusiasm, but in vain.
Whether it's really hers, or she's only keeping house for Poindexter, she's a fixture, you bet.
Poindexter had told her it was four miles to the shanty; she might walk there.