get on like a house on fire


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Related to get on like a house on fire: fire in belly, dig in your heels

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