That's a strange metaphor - their eyes would glaze over and their ears would close up.

NPR: The Math Behind Pellicano's Code

Why, when I read articles about the recent New York International Auto Show, did my eyes glaze over?

FORBES: Volkswagen, BMW Understand What It Takes To Stand Out

When analysts talk about foreign stocks, journalists tend to glaze over.

FORBES: Lenovo, Former IBM PC Company, Is Kicking Butt

In others, as U.S. Senator Carl Levin described it his introduction to the "Stop the Tax Haven Act" in Feb. 2007, their eyes simply "glaze over" at the complexity of it all.

FORBES: Tax Evaders, Beware The Liechten-sting

Fires had been set to clear the spring stubble, and a thin glaze of smoke hung over the road in a steady cloud.

NEWYORKER: The Reptile Garden

Da Vinci might have selected different glaze recipes on purpose or he may have tweaked the painting over years during which time his taste in glaze ingredients could have changed.

ECONOMIST: The da Vinci method

Made of cream-colored earthenware, the vase is hand-painted with polychrome enamels and gold over passages of ivory and luster glaze each glaze and area of color or gold required a separate kiln firing at specific, carefully controlled temperatures.

WSJ: Masterpiece: Gilded Abundance, Elegantly Restrained

Glaze happened to open the letter while sitting outside over the Memorial Day weekend, said the firm's founder, Robert Raben.

WSJ: Union: NY mayor threats postmarked Shreveport, La.