Volcano bowl

A volcano bowl is a piece of ceramic drinkware originally associated with mid-20th century American tiki bars and tropical-themed restaurants.

or more, and are used to serve a communal beverage to a group of two or more friends who share the drink, often sipping simultaneously from the bowl through long, colorful straws.

[1] The central cone, in turn, is topped by a pit or "crater" which is intended to be filled with overproof rum or other flammable high-alcohol liquor.

This "crater" liquor is ignited just before service, creating a festive, mildly volcanic ambience with its central blue flame.

The exterior surfaces of volcano bowls are usually decorated with painted or glazed-on tropical-themed images, such as hula dancers, palm trees, and island landscapes.