Kalmar "highbinder" tana nufin mutum mai tarihi ko memba na ƙungiyar laifuka, musamman a ƙarshen 19th da farkon 20th. Kalmar ta samo asali ne daga Amurka kuma an yi amfani da ita da farko a cikin mahallin kungiyoyin masu aikata laifuka na China-Amurka. An san ’yan fashi da makami da shigarsu cikin haramtattun ayyuka kamar satar dukiyar jama’a, cin zarafi, caca, da karuwanci. wanda ke aikata rashin gaskiya ko haramun. Yawancin lokaci ana danganta shi da daidaikun mutane masu amfani da yaudara, magudi, da tashin hankali don cimma manufofinsu.