like a demon

like a demon

An intensifier used when one puts forth great effort to do something. I'm planning to fight like a demon against this illness, so I'm researching both Western and Eastern methods of treatment. We've been working like demons to get the update finished before the Christmas break.
See also: demon, like
Farlex Dictionary of Idioms.
See also:
  • address (one's) comments to (someone or something)
  • address comments or remarks to
  • address (one's) remarks to (someone or something)
  • be in it for
  • be at a disadvantage
  • (the) odds are against (something)
  • at a disadvantage
  • (something) is over (one's) head
  • be more than (something)
  • be more than glad, ready, etc.