Like a fluke; remarkably fortunate or improbable.(adjective)
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Use "flukish" in a sentence
"These Jets were in the AFC championship last year, but that felt flukish — those playoff wins were a brilliant gift, and that AFC Championship loss to Indianapolis wasn't a soul crusher."
"What was happening in Denver didn't feel lucky or flukish anymore."
"Pure, unadulterated authentic funk and R&B is hard to come by in this day and age, but here it was -- a flukish find in the search for shade."