noun: (informal, sometimes used attributively) A person who seldom or never speaks; a taciturn or unresponsive individual.
noun: (informal, by extension) A machine, device, etc. which operates without making noticeable sound.
noun: (informal) A mixed alcoholic beverage, usually containing vodka, a cola soft drink, and other ingredients.
noun: Alternative form of Silent Sam [(informal, sometimes used attributively) A person who seldom or never speaks; a taciturn or unresponsive individual.]
