One example (I think) is like saying "we are snowflakes" because we're all different like snowflakes are. Although we're very different from snowflakes. If however you "we are like snowflakes." I'm not sure if that counts.*
The free dictionary defines it as 1. A figure of speech in which a word or phrase that ordinarily designates one thing is used to designate another, thus making an implicit comparison, as in "a sea of troubles" or "All the world's a stage" Shakespeare.
2. One thing conceived as representing another; a symbol: "Hollywood has always been an irresistible, prefabricated metaphor for the crass, the materialistic, the shallow, and the craven" Neal Gabler.
The free dictionary defines it as 1. A figure of speech in which a word or phrase that ordinarily designates one thing is used to designate another, thus making an implicit comparison, as in "a sea of troubles" or "All the world's a stage" Shakespeare.
2. One thing conceived as representing another; a symbol: "Hollywood has always been an irresistible, prefabricated metaphor for the crass, the materialistic, the shallow, and the craven" Neal Gabler.