screwball  
 noun [ C ] uk/ˈskruː.bɔːl/ us/ˈskruː.bɑːl/
  (PERSON)     
  mainly US informal怪僻而有趣的人 
a person who behaves in a strange and funny way
   (BALL)     
 US(棒球比赛中的)内曲线球 
a ball that is thrown during a baseball game so that it curves to one side
 screwball       
adjective mainly US uk/ˈskruː.bɔːl/ us/ˈskruː.bɑːl/
 (用来形容一种类型的电影)神经的,疯狂的
used to describe a type of film in which there are funny characters and silly situations
  a screwball comedy 神经喜剧