0 a very strange experience or situation, usually a bad one, that seems like a dream rather than like something that would really happen: --
Blake's illuminated Milton is a glorious fever dream.
Rivera's work often has the feel of a fever dream; what is real, and what is not, is up for debate.
Long-distance travel is a fever dream where time and mood slip out of control.
The playwright takes a group of everyday people living in a typical small town, and thrusts them into a fever dream of hatred and retribution.
The film is so unspeakably bad that it seems like a Hollywood writer's fever dream.