Granted. You die a horribly painful death by falling into a pool of concentrated sodium hydroxide.
I wish for some plutonium-244, the safest and most stable form of plutonium with an 80 million year half-life. No, it is not fissile, and it decays by alpha emission.
Granted. you really really love plutonium-244 which will makes you forget that you are hungry and starve to death.
I wish that the next user is going to write his post not-reversed (that means you will have to write your whole post reversed to corrupt my wish :P)
Granted. You now know how to use FeynmanLogomaker Studio - you can finally create high-quality alternate accounts.
I wish my christmas tree didn't smell like sewage.
You spray water vapour all over your computer :) (I know what steam is, don't lecture me).
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I wish I had a lot more space on my computer so I could get games like World Of Tanks and Team Fortress 2 but not enough to break it in anyway.