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One hell of a morning has turned into a bitch of a day!
— Jack ‧ Romancing the Stone

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
The speaker describes a difficult morning as having developed into an equally exasperating day. The paired expressions intensify the complaint through repetition and coarse humour. It sounds like a weary verdict on how things are going, without specifying the events behind the frustration.
Context reviewed