Make a Wish. Have it horribly corrupted.

[spritey]

Granted, but I stole it.
I wish there was a firefighter trainer class in pokemon games.

[Pokemon Trainer Red]

granted but the games now cost $100,000 and you can no longer afford it. I wish the world were made of glazed donuts

[superzigzagoon]

Granted but I eat you.

I wish I could start this topic on another site.

NOTE: It's been currupted for real.
It turned out their was another one which was the same on the site.

[TrickTester]

granted but there was already one on every forum in the world :p

i wish i was part Mightyena.

[superzigzagoon]

Granted but you ended up being the butt. 

I wish everyone would find out Zigzagoons are the greatest

[Moon Chaser]

Granted but they find out they are the greatest food.

I wish I could find my DS charger

[superzigzagoon]

Granted but it's a DSI XL charger (I'm just guessing you don't have that).

I wish I was a Simpsons character.

[spritey]

Granted but you get sucked into the cartoon and the TV breaks so you die.
I wish everyone would realize that Unown is the greatest pokemon.

[superzigzagoon]

Granted but they find out they are the greatest food.

I wish I had a wish

[TrickTester]

Granted but then the person who granted it gets confused and the world falls into eternal damnation.

i wish i had more Cosplays

[superzigzagoon]

granted but (HEY I don't know what cosplay is) amazon is sending it from oversea (oh dear).

I wish the user below corrupts my wish.

[spritey]

Granted but I have to get a new wand since my current one just broke?!
I wish zigzagoon and unown had a battle to see who is better. ;o

[superzigzagoon]

Granted but unown so rubbish compared to the Zigzagoon that Zigzagoon won by default 

I wish I had a sidekick.

[spritey]

Granted but your "sidekick" turned out to be a Rhyperior that ate you.. =o
I wish Unown would be the new Arceus.

[TrickTester]

granted but it's me ^^   

i wish people knew what Cosplay was ^^