Superlative form of clubby: most clubby.(adjective)
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Use "clubbiest" in a sentence
"Woods, the African-American/Thai son of a Vietnam war veteran, emerged from Southern California's municipal courses to dominate the clubbiest of sports."
"Ironically, she wields a kind of subtle but decisive "insider" power that used to be available only to the clubbiest of white establishment men."
"On that score I am OK, with Ristretto and Jim and Patty's nearby although Jim and Patty's is the clubbiest coffee shop you've ever seen."