Froth"y (?), a.
[Compar. Frothier (?);
superl. Frothiest.] 1.
Full of foam or froth, or consisting of froth or light bubbles;
spumous; foamy.
2. Not firm or solid; soft; unstable.
Bacon.
3. Of the nature of froth; light; empty;
unsubstantial; as, a frothy speaker or harangue.
Tillotson.