the fat is in the fire


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Related to the fat is in the fire: fat chance, fire in belly, living off the fat of the land

the fat is in the fire

  (old-fashioned)
something that you say which means there will soon be problems because of something that has happened Susie knows you've been seeing her boyfriend, so the fat's in the fire.
See chew the fat, live off the fat of the land
See also: fat, fire

the fat is in the fire

Bad consequences are sure to follow; trouble lies ahead.
See also: fat, fire