Ridiculously wrong answers!

you get some slime, mud, and sticky things and dump them on the floor, DUH!

What is a pencil for?

a pencil is used for assasinations!
how to safely drive car?

you go blindfolded, hand tied behind you back, and you steer with your teeth!

What is an eraser for?

an eraser is for arson
how to get away with murder and not get caught?

you gather an audience and do murderaudience has police!

who is Luna Lovegood?

your mom
who is Harry Potter ?

Harry Potter is my pet fish!

What is a computer?

a very tasty sandwich!

what is a sandwich?

a sandwich is the most common object used to hit people!

how do you eat?

walk to a random person hotdog and take a deep breath in, once you've inhaled the hotdog swallow it whole. Viola! You have learned how to properly eat a hotdog!