the oposite of a simily
Yes, "If you were a scoop of ice cream" is a metaphor because it is comparing someone to a scoop of ice cream in a figurative way to convey an idea or image.
the gesture that is made in winstons dream by the dark-haird girl is that she throws aside her clothes, leaving her naked whilst winston sees it as a metophore of throwing aside bigbrother and the party.
The whole consept of Edward being a Vampire is a metaphor for him being forbidden. Well that's what it said in an article i read anyway-hope i helped!
most are centered around religon. the siren: taking the form of a beautiful woman, exhausted sailors would rush twards them only to be consumed(a metophore for temptation). evil music: if you play a diminished tri-tone demons will arise forth (the song black sabbath uses it).