The term 'FULL OF SUDS' is an idiom that means to be full of energy and enthusiasm. The crossword solutions for this term are BEERY (5 letters), SOAPY (5 letters), and FOAMY (5 letters). BEERY is a reference to beer, which is an alcoholic beverage made from fermented grains. SOAPY is a reference to soap, which is a cleansing agent made from fats or oils combined with an alkali. FOAMY is a reference to foam, which is a mass of bubbles created by agitation or chemical action. All three words together create the phrase 'FULL OF SUDS', which is a metaphor for being full of energy and enthusiasm.