balloon juice noun2 •(US, informal) Empty or exaggerated talk lacking in substance, boasting, chatter, nonsense.The senate was inflated with a superior grade of wind, oratory, and balloon juice yesterday. This unusual condition was brought about by heated discussion of the Coulson-Gandy contest case. — 1895 •(informal, slang) Any of various beverages, usually including gas dissolved in liquid.Imbibe Balloon juice! hoist up your courage mountain high! Drink! — 1898
