What type of language are you using when you say you are when you are really extremely happy?

Metonymy is best defined as a figure of speech in which

Read the excerpt below and answer the question. for a long time she held her neck erect; then her head sank, slowly. her ribs swelled with a mighty heave and she went over. as it is used in this excerpt from “the man who was almost a man,” the phrase “went over” most likely means died escaped jumped vomited

Can someone me with this project i really need the