glass jaw

noun

1. a person's jaw, especially that of a boxer, that is vulnerable to even a light blow.

glass jaw

noun

1. informal.
   boxing a jaw that is excessively fragile or susceptible to punches

Word History and Origins

Origin of glass jaw¹

First recorded in 1910–15

Example Sentences

"What happened was Greitens had more of a glass jaw than a lot of people thought," said Steven Law, who runs the Mitch McConnell-aligned super PAC Senate Leadership Fund.

From Salon

Jared Kushner, the former president’s son-in-law and senior adviser on a multitude of topics, initiatives and policies, has been relieved of the golden glow that once surrounded him and now, under the flat lights and unimpressed questioning, his dismissive demeanor and glass jaw are more visible.

From Washington Post

They might have class, but they also have a glass jaw.

From BBC

“Disney will be fine. But what this does is show Americans that Ron DeSantis is a governor with a glass jaw who cannot tolerate criticism. That’s what this is about, nothing more than that.”

From Washington Post

But for now it’s the other way around — and the Yankees seem to have a glass jaw.

From New York Times