Cardiff failed to give owner Vincent Tan any kind of birthday present as they lost 4-0 at home to Hull in what was a crunch Premier League game for the Bluebirds.
The Malaysian billionaire turns 62 on Sunday, but any celebrations will be quelled by the Welsh side's worst home defeat in 14 years.
A deflected shot from Tom Huddlestone, a brace from the clinical Nikica Jelavic and a goal on the counter-attack from Jake Livermore pushed the visitors firmly into mid-table.
Cardiff, meanwhile, are deep in the relegation mire, down in 19th place, three points and at least nine goals from safety with 11 matches of the season left.
The Bluebirds have now failed to score in 15 Premier League games this season - more than any other team.
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