freak (someone) out        
phrasal verb with freak verb [ I or T ]  informal uk/friːk/ us/friːk/
 使…极度激动
to become or cause someone to become extremely emotional
  He freaked out when he heard he'd got the job. 他听到自己得到了那份工作后欣喜若狂。 
 This song just freaks me out whenever I hear it. 这首歌我无论什么时候听到,都会非常激动。