" Cold ones" is a popular slang term that refers to a cold beverage, usually beer. However, there are several synonyms for this term that people may use in different parts of the world or in different social circles. Some of the commonly used synonyms for cold ones include "brews," "frosties," "chillers," "ice-cold refreshments," "beverages," and "frosty mugs." These terms are usually used in informal situations, among friends and family, at pubs, bars, or parties. The choice of words depends on the context and the preference of the speaker or listener. Regardless of the preferred term, it's always refreshing to enjoy a cold one with friends on a hot day.