Question

what does this metaphor mean?

Answer 1

Simile: calling something something else with a like or as >example sentence> Millie is as busy as a bee.

Metaphor: Saying something IS what you call it. >example sentence> Bella is a Workhorse.

Answer 2

a figure of speech in which a word or phrase is applied to an object or action to which it is not literally applicable.
Agustus Waters - Its a metaphor you see, you put the thing that does the killing right between your teeth but you dont give it the power to kill you :)