A fluke or chance occurrence; an unexpected or lucky success or accident.
Variant or dialectal form of 'fluke' (from Dutch 'vlieck' or Scandinavian 'flak'), which originally referred to the flat part of an anchor or whale's tail, then came to mean a lucky chance.
In snooker and billiards, a 'flook' (or fluke) shot is when you succeed by pure luck, not skill—and hilariously, skilled players get angrier about flooks than losses, because luck feels unfair!
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