Akademik

froth
n. & v.
—n.
1 a a collection of small bubbles in liquid, caused by shaking, fermenting, etc.; foam. b impure matter on liquid, scum.
2 a idle talk or ideas. b anything unsubstantial or of little worth.
—v.
1 intr. emit or gather froth (frothing at the mouth).
2 tr. cause (beer etc.) to foam.
Phrases and idioms:
froth-blower Brit. joc. a beer-drinker (esp. as a designation of a member of a charitable organization).
Derivatives:
frothily adv. frothiness n. frothy adj. (frothier, frothiest).
Etymology: ME f. ON frotha, frauth f. Gmc

Useful english dictionary. 2012.