Walrus

Hyperbole is when you exaggerate something to make your point come across.
Examples: "I am so hungry I could eat a horse."
                "I already told you a million times!"
                "He's skinnier than a stick."

Using hyperbole in your writing is important because it helps make your point come across. It lets the reader know how strongly you feel about something, in a way.
Instead of saying "The boy was thin.", you could say. "The boy was so thin, a twig was thicker than him." or something along those lines. It can also help create a picture in the reader's head.

[lyrics from Pierce The Veil - The New National Anthem]
Drag my hand behind you like a chain behind a truck
Sparks over your carpet while I chase you through the darkness
Somebody's suppose to fall in love, but nobody even calls
Somebody's suppose to tear this place apart until you find me hiding, silently I wait
You'll be excited just to see me someday, everything's okay
Summer and gold, throw their colours at the dark
A mother tells her son, darling look at the sparks
But you hold my attention without even trying
a beautiful reflection from firework eyes
But never means forever
Desperation, and hanging in the backyard at night
Somebody's supposed to fall in love
Tear this lace apart until you find me hiding, silently I wait
You'll be excited just to see me someday, everything's okay
Love, don't forget to bleed so slowly
Haunted hearts will melt over the fabric of your flood
I'm holdin' her just like she's gold, but I've been running from the sun
Oh, no, no
And if I ever catch the ones who hurt you
I'm hoping that God looks away this time
So, why would I let you go?
Why would I let you go? Let you go
Tear apart this place until you find me hiding, silently I wait
You'll be excited just to see me someday, everything's okay

Tone: The song sounds a little angry, but when you look into the lyrics, it's really about love.
Mood: A little bit of sympathy, when you just listen to it without reading the lyrics.
Meaning: This song was written by the lead singer, Vic Fuentes, about a night spent with his girlfriend at the time, in her apartment.

[Parts of lyrics for Pierce The Veil - King For A Day]
. . .You told me, "think about it"
Well I did, now I don't wanna feel a thing anymore
I'm tired of begging for the things that I want,
I'm over sleeping like a dog on the floor
. . .Terror  begins inside a bloodless vein
. . .Born in this world without a voice or say
. . .Caught in the spokes with an abandoned brain
Imagine living like a king someday
A single night without a ghost in the walls
We are the shadows screaming take us now. . .

Tone: Probably angry
Mood: Maybe a little angry, but excited, in a way.
Meaning: Everyone has their own interpretation. It seems to be that this song is about someone taking advantage of you. It can be in anyway & basically, you're just tired of being stepped on, you want to take a stand.