When this is said, it refers to lots of voices playing in your
head at once. You want them to stop talking as they’re annoying you or simply won’t
shut up. Sometimes it can be used to express
feelings, if you have a massive crush on someone you’d say the phrase.
Guy: I kind of like you
Girl: *takes a
screenshot and sends to a friend* The volume in here is
astronomicalOR
Guy: Wait what i thought you
said-
Girl: The volume in here is astronomical