frothy

[ fraw-thee, froth-ee ]

/ ˈfrɔ θi, ˈfrɒθ i /

of, like, or having froth; foamy.

unsubstantial; trifling; shallow; empty.

Origin of frothy

First recorded in 1525–35; froth + -y¹

froth·i·ly, adverb froth·i·ness, noun

They mixed carbonated water with syrups, and fused them together seamlessly in a frothy cold stream – all on demand.

Font of Invention | |September 18, 2014 |DAILY BEAST
Richardson says that his frothy, buttered coffee is “the best part of his morning,” helping him “hone in on important tasks.”

Hack Your Health: 6 Biohacks That Might Surprise You |DailyBurn |December 4, 2013 |DAILY BEAST
The clothes had a light and frothy quality but never looked silly or immature.

Louis Vuitton, Chanel, McQueen Cap Paris Spring 2013 Fashion Week Shows |Robin Givhan |October 3, 2012 |DAILY BEAST
And if Romney gets too frothy, there remains a decent chance he stumbles.

What Romney and Obama Can Learn About the Art of Debate Deflection |David Freedlander |October 2, 2012 |DAILY BEAST

But in these frothy, frenetic days, what difference does a few hundred million dollars make?

Facebook Makes Big Bet by Acquiring Instagram |Dan Lyons |April 10, 2012 |DAILY BEAST
An empty head and heart are the causes of empty, frothy, vain discourse.

A Christian Directory (Volume 1 of 4) |Richard Baxter
It is thinner than that of chronic bronchitis, and upon standing separates into three layers of pus, mucus, and frothy serum.

A Manual of Clinical Diagnosis |James Campbell Todd
Even while the frenzied yelling of the squirming Busch was subsiding into a frothy gurgle he went to the door and listened.

The Day of Wrath |Louis Tracy
The front of the first of these lines was frothy with smoke.

The Open Boat and Other Stories |Stephen Crane
Into a frothy compound, not unlike ice-cream with the ice left out, you dip your thin wheaten cakes, instead of spoons.

Some Heroes of Travel |W. H. Davenport Adams