metaphor is saying that not what they actually are for example: Jake is a tiger
he isn't really a tiger they are saying he's scary and so are tigers tigers are scary and so is he
yes it's a metaphor it means that you get the idea.
a
I am a rainbow is a metaphor it means you are happy, bubbly, excited, special and cheerful
It means she's special
It basically means very stubborn.
"Was a bombshell" is an idiom that means something was striking or shocking. It is not a simile, metaphor, or personification.
It means to clear the awkwardness
It means he is a nasty person.
It means that who ever made this metaphor is a Huge Trolling Noob
If something is literally water-tight it means that no water can pass through it. The metaphor means that the security is so good that nothing can get through it.
cold heart
it means blablabla