The word 火爆 is a compound formed through semantic complementation, where both characters contribute to an intensified metaphorical meaning. The first character, 火 (huǒ), means "fire", evoking qualities of heat, intensity, and rapid spread. The second character, 爆 (bào), means "to explode" or "to burst out", suggesting suddenness and powerful force. Combined, they create a vivid metaphor for a state or personality that is fiery, explosively popular, or intensely heated, commonly used to describe raging trends, hot-tempered dispositions, or blockbuster successes that take off with sudden, overwhelming energy.