下班了,怎么称呼你啊,常用的英语怎么说啊

下班了：get off duty;
come off work;
go off duty;
released from duty
well，here comes my non-business hours!
怎么称呼你：well,could you give me the honor to konw your name?
how could i call you,big guy/ass ?
since the first sight i caught you, i have been asking myself who are you on the hell.