Bubbling

a nearly spherical body of gas contained in a liquid.
a small globule of gas in a thin liquid envelope.
a globule of air or gas, or a globular vacuum, contained in a solid.
anything that lacks firmness, substance, or permanence; an illusion or delusion.
an inflated speculation, especially if fraudulent:
The real-estate bubble ruined many investors.
the act or sound of bubbling.
a spherical or nearly spherical canopy or shelter; dome:
The bombing plane bristled with machine-gun bubbles. A network of radar bubbles stretches across northern Canada.
a domelike structure, usually of inflated plastic, used to enclose a swimming pool, tennis court, etc.
Informal. a protected, exempt, or unique area, industry, etc.:
The oasis is a bubble of green in the middle of the desert.
an area that can be defended, protected, patrolled, etc., or that comes under one’s jurisdiction:
The carrier fleet’s bubble includes the Hawaiian Islands.
a sudden, small, temporary change or divergence from a trend:
In May there was a bubble in car sales, with three percent more being sold than last year.
to form, produce, or release bubbles; effervesce.
to flow or spout with a gurgling noise; gurgle.
to boil:
The tea bubbled in the pot.
to speak, move, issue forth, or exist in a lively, sparkling manner; exude cheer:
The play bubbled with songs and dances.
to seethe or stir, as with excitement:
His mind bubbles with plans and schemes.
to cause to bubble; make bubbles in.
Archaic. to cheat; deceive; swindle.
bubble over, to become lively:
The last time I saw her she was bubbling over with enthusiasm.
Contemporary Examples

Friday Forum: What’s the Most Underrated City? Megan McArdle January 31, 2013
Bow Down, Bitches: How Beyoncé Turned an Elevator Brawl Into a Perfect Year Kevin Fallon December 30, 2014
Why Los Angeles Is the Best Food Town in America Andrew Romano November 15, 2013
Carsten Nicolai’s Skydiving Dance Jimmy So September 23, 2011
John Grisham’s First Short Story: Part Two John Grisham October 25, 2009

Historical Examples

Joe Strong The Boy Fire-Eater Vance Barnum
The Slave Of The Lamp Henry Seton Merriman
Jean, Our Little Australian Cousin Mary F. Nixon-Roulet
A Son of Hagar Sir Hall Caine
The Gold Bat P. G. Wodehouse

noun
a thin film of liquid forming a hollow globule around air or a gas: a soap bubble
a small globule of air or a gas in a liquid or a solid, as in carbonated drinks, glass, etc
the sound made by a bubbling liquid
something lacking substance, stability, or seriousness
an unreliable scheme or enterprise
a dome, esp a transparent glass or plastic one
verb
to form or cause to form bubbles
(intransitive) to move or flow with a gurgling sound
(intransitive) ; often foll by over. to overflow (with excitement, anger, etc)
(intransitive) (Scot) to snivel; blubber
n.
v.