what are those small bottles of liquor called

[Sheldon]

The small, single-serving bottles of liquor are referred to by several different names, with the most common terms being "miniature," "nip," and "shooter." These bottles typically hold 50 ml of spirits, which is equivalent to approximately one 1.5-ounce shot.

The specific term used can often vary by region. For example, "nip" is a very common term in the Northeastern United States, while "shooter" may be more prevalent in other areas, such as the Pacific Northwest. Another widely understood name is "airplane bottle," a colloquialism derived from their frequent sale for in-flight consumption.

Regardless of the name used, all these terms describe the same standard 50 ml single-serving bottle of liquor commonly found for sale at liquor stores and counters.