Christmas day. The day when everyone is disappointed with their presents.
Mum - "Merry Christmas!"
Kid - "I hope this is what I think it is"

Mum - "I went to a lot of trouble to get it.
*Kid opens present*
Kid - "...It's the wrong type. Did you keep the receipt?"
Dad - "Another 'merry' disappointment day!"
by Jonathon Quick December 30, 2010
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1. (noun) When the word of the day on urbandictionary.com is not special and is a commonplace slang term that everyone already knows the definition of.
Bill: Hey Frank could you go on urban dictionary and see what the word of the day is?
Frank: its bisexual.
in unison: looks like its the word of the disappointing day!
by PlainPat June 21, 2011
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National Disappointment day falls on the 22nd of August. It is a day where the world's biggest disappointments are originated from.
Joe: Ugh tomorrow is National Disappointment Day
Lynn: Hey! tomorrow is my birthday
Joe: Exactly
by Josethemonkey June 23, 2019
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Opening a birthday card in hope of recieving a large amount of money, but all you get is a birthday card.
Disappoint-day card = Disappointing birthday card
Boy 1: Dude, did you get the $60 from your grandparents for that new game in your birthday card?

Birthday boy: No, all i got was a disappoint-day card.
by Dcom001 May 1, 2011
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