kingpins

Pronunciation:  US [ˈkɪŋˌpɪn] UK 
  • n.The leader; "the" kingpin: "body" (bowling), kingpin
  • WebMasterminds; United States Cowboy Association
big big boy big cheese bigfoot biggie big gun big leaguer big-timer big wheel bigwig fat cat heavy heavy hitter heavyweight high-muck-a-muck high-muckety-muck honcho kahuna kingfish big shot major leaguer muckety-muck muck-a-muck mucky-muck nabob nawab nibs nob pooh-bah poo-bah wheel