Little Drinks are small, alcoholic beverages that are typically served in shot glasses. NIPS and SIPS are two common types of Little Drinks. NIPS is an acronym for 'Neat In Pubs' and refers to a type of pre-mixed alcoholic beverage that is served in single-serve containers. SIPS is an acronym for 'Single In Pubs' and refers to a type of pre-mixed alcoholic beverage that is served in single-serve containers.