We can see that the descriptive language actually used here is: metaphor.
What is metaphor?
Metaphor is known as a figure of speech that is used to compare two things that are not alike but might share something in common. Simile is also used for comparing two things but it uses "as" or "like" in comparing.
We can see here that the "mom" is compared to a "rock".
Learn more about metaphor on https://brainly.com/question/1041121
