like a hot knife through butter

like a (hot) knife through butter

Quickly and easily with very little effort required. (Used to describe both the physical and figurative act of cutting through something.) An industrial machine like that can cut through any material like a knife through butter. Because of his close connections with government officials, he was able to get through the bureaucratic red tape like a hot knife through butter.
See also: butter, knife, like, through
Farlex Dictionary of Idioms.

like a hot knife through butter

BRITISH, AMERICAN or

like a knife through butter

BRITISH
1. If something goes through something else like a hot knife through butter or like a knife through butter, it goes through it very easily. The edge of the plastic cut through my top lip like a knife through butter. Lasers can slice through rock like a hot knife through butter.
2. If you deal with a problem or difficult situation like a hot knife through butter or like a knife through butter, you deal with it quickly and easily. My sister is practical. She would steer through a situation like ours like a hot knife through butter.
See also: butter, hot, knife, like, through
Collins COBUILD Idioms Dictionary, 3rd ed.
See also:
  • like a (hot) knife through butter
  • like a knife through butter
  • cut through (something) like a (hot) knife through butter
  • wouldn't cut hot butter
  • cut at
  • cut at (someone or something)
  • knife
  • cut away at (someone or something)
  • cut with
  • cut (someone or something) with (something)