"clubby" in the adjective sense
1. clubbish, clubby
effusively sociable
"a clubbish set"
"we got rather clubby"
2. clannish, cliquish, clubby, snobbish, snobby
befitting or characteristic of those who incline to social exclusiveness and who rebuff the advances of people considered inferior
Source: WordNet® (An amazing lexical database of English)
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