get on like a house on fire

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get on like a house on fire

Of two or more people, to enjoy one another's company very much from the start and become good friends at once. (Used when people are meeting for the first time.) I can't wait for you to meet Mark, I just know the two of you will get on like a house on fire! I was worried about my university friends meeting my new girlfriend, but everyone got on like a house on fire.
See also: fire, get, house, like, on

get on like a house on fire

  (informal)
if two people get on like a house on fire, they like each other very much and become friends very quickly I was worried that they wouldn't like each other, but in fact they're getting on like a house on fire.
See also: fire, get, house, like, on