asshole  
noun [ C ] mainly US offensive uk/ˈæs.həʊl/ us/ˈæs.hoʊl/ (UK offensive arsehole)
  (UNPLEASANT PERSON)      
  讨厌鬼,蠢货,笨蛋
an unpleasant or stupid person
  Some asshole had parked so I couldn't get out. 哪个蠢货乱停车,我的车给堵住出不来了。 
   (BODY PART)     
 肛门
the  anus