What is the meaning of Boiling?

present participle and gerund of boil

The process of changing the state of a substance from liquid to gas by heating it to its boiling point.

The cooking (of food) or cleaning (of an object) by immersing it in liquid (usually water) that is boiling.

A turmoil; a disturbance like that of bubbling water.

An animation style with constantly changing wavy outlines, giving a shimmering or wobbling appearance.

That boils or boil.

Of a thing: extremely hot or active.

Of a person: feeling uncomfortably hot.

Of the weather: very hot.

Extremely

Source: wiktionary.org