noun
    
    [noncount] bubbles that form in or on a liquid
    
    
    
    something that is appealing but that has no serious value or interest
    
    
    
    verb
    
    froths; frothed; frothing
    
    [no obj] :to produce or form froth
    
    
    
    froth at the mouth
    
    to produce froth from the mouth because of illness or excitement
    
    
    
    informal :to be very angry about something