1 entertaining and easily understood, but not serious or intended to make you think:
2 used to describe a market in which the prices of assets are beginning to rise above their real value because of high demand:
A classical intoxication is followed by the splashing of soda-water, by frothy effusions of ordinary bile.
In the other three novels frothy dialogue and sparkling wit tend to overshadow the deeper philosophical issues at stake.
By identifying this very original idea we can read a far deeper meaning from the play, resulting in its transcendence above the apparently frothy content.
His phlegm had not been frothy. (name) had "no associated pain" with his cough and "did not experience any chest pain".
On route, she complained of dyspnea and vomited pink frothy sputum several times.
Freed's stand began serving the drink, which had a frothier, creamier texture.
People who drink such stuff should pay the penalty, especially when it is frothy.
We sorted out the rather more comic, not to say grotesque, frothy beer fuss last year.