A mysterous, anxiety causing, possibly Fictictous letter allowing you to finially enter the promised land known as Pottermore.

The reason one million potterheads have been on their email 24/7 sence finding the magic quil.
Pottermore Welcome Letter. Aka: A real Santa Caus

"Why'd Jill Get fired?'
" She called off to watch her email everyday sence August 7th 2011"

" Doesnt she know she can access her email and get her welcome letter on her phone...."
by Dreamblade24 August 19, 2011
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When you have not got your pottermore welcome e-mail yet, and feel like your heart was ripped out of your chest, and it will never come. In worst cases, you accept the fact that you are a squib.
Girl: Do you want to come out?
Boy: No. All i want in the universe is my pottermore welcome e-mail! Oh, face it, I have pre-pottermore depression!
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