From Longman Dictionary of Contemporary Englishfrothfroth1 /frɒθ $ frɒːθ/ noun 1 [singular, uncountable]DFDHC a mass of small bubbles on the top of a liquid SYN foam ‘Excellent beer, ’ he said, wiping the froth from his mouth.2 [singular, uncountable]HBA small white bubbles of saliva around a person’s or animal’s mouth3 [uncountable]IMPORTANT talk or ideas that are attractive but have no real value or meaning The book has too much froth and not enough fact.
Examples from the Corpus
froth• He had seen Nehushtah only once as she'd weaved her way, in a froth of acolytes, across the gardens.• All is grace, froth and flow.• The play is an enjoyable bit of holiday froth.• You inform by making sure that the programme is not just froth and bubble, that it has genuine body.• The eggs are then laid in the resulting ball of froth.• A mile or two away a line of froth delineated the beach and along it Impressionistic strokes suggested stick and hessian shelters.• One of his mates took the dented tube away from him and opened it, splashing froth over a window.• Skim the froth off the top of the melted butter.• The bear roared at him with fury, its black muzzle and huge jaws covered in a thick white froth.frothfroth2 verb [intransitive] 1 (also froth up)DFDHC if a liquid froths, it produces or contains a lot of small bubbles on top When you first open the bottle the beer will froth for a few seconds.2 HBHif someone’s mouth froths, saliva comes out as small white bubbles3 → froth at the mouth→ See Verb tableExamples from the Corpus
froth• I jumped in and frothed about a bit, then went back inside and made some coffee.• She wore an ivory silk blouse, frothing at neck and cuffs.• With a strangled, gargling shriek, Carradine fell over, frothing at the mouth, arms waving.• Mortally wounded, frothing at the mouth, grinding his teeth in pain, he chose the floor instead.• He died at a friend's flat in Rock Ferry after going into convulsions and frothing at the mouth.• Cottonwoods and elm trees cast long shadows across the frothing creek.• They have also developed additives which prevent the fuel from frothing so that it no longer spills over your shoes every time you fill-up.• In a few miles they came to a canyon, frothing with rapids.Origin froth1 (1300-1400) Old Norse frotha 