set on fire

set (something) on fire

1. To begin burning something. He was caught setting the records on fire to hide the evidence from prosecutors.
2. To do wonderful or exciting things that cause a great or remarkable sensation; to be extremely popular, famous, renowned, etc. I wouldn't be too concerned with what he thinks of you. For all his money and education, he's hardly setting the world on fire, is he? As a girl, Janet dreamed of setting the stage on fire as a famous actress.
See also: fire, on, set
Farlex Dictionary of Idioms.

set someone on fire

Fig. to excite someone; to make someone passionate. (Based on set fire to someone or something.) Her oratory set everyone on fire. Ted's presentation didn't exactly set me on fire, but it was a good summary of the project.
See also: fire, on, set
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

set on fire

1. Also, set fire to. Cause to ignite and burn, as in The drought and high wind combined to set the woods on fire. [c. 1400]
2. Cause to become excited, as in The music set the audience on fire. Also see catch fire; set the world on fire.
See also: fire, on, set
The American Heritage® Dictionary of Idioms by Christine Ammer.

set on fire

1. To cause to ignite and burn.
2. To cause to become excited: The music set the audience on fire.
See also: fire, on, set
American Heritage® Dictionary of the English Language, Fifth Edition.
See also:
  • hide nor hair, neither
  • neither hide nor hair
  • neither hide nor hair of someone
  • keep (something) dark
  • keep it/something dark
  • keep something dark
  • have (one's) hide
  • have hide
  • conceal
  • conceal (someone or something) from (someone or something)