bumbler

1. I have a suggestion to Labour MP 's.if you want to have a prayer at winning the next election, dump bumbler Brown and elect a chinese Judge as your leader.
   我有一个建议给工党议员们，如果你们想祈祷下次选举胜利，丢弃笨蛋布朗，选一个中国法官当你们的领导。

noun

1. someone who makes mistakes because of incompetence

   Synonym:    bunglerblundererfumblerstumblersad sackbotcherbutcherfuckup