/ fluːk; NAmE / noun
[ usually sing. ] ( informal ) a lucky or unusual thing that happens by accident, not because of planning or skill :
They are determined to show that their last win was no fluke.
a fluke goal
► fluky (also flukey ) / ˈfluːki; NAmE / adjective
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WORD ORIGIN
mid 19th cent. (originally a term in games such as billiards denoting a lucky stroke): perhaps a dialect word.