fugacious - Dictionary definition and meaning for word fugacious
Fugacious=Fu(blow in)+gases surrounding will go away, hence transient.
FU+gas. if u fu(blow) gas in a balloon then it wont last long, it will blast.balloon will be ephimeral
The word is derived from word fugitive which means fleeing....
The hit song Fergalicious was big only for a short amount of time.