a dead letter is a letter that has never been delivered because the person to whom it was written cannot be found, and it also cannot be returned to the person who wrote it
if u send a letter and the person dont get it and u dont get it back
by gashford April 9, 2004
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A letter that has died.
E - "Did you hear that R has passed away?"

Jonny Woss - "Weawy? I didn't like him much anyway."

Hence the dead letter.
by leeful November 17, 2006
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An institution within post where letters with no adresee are collected and opened in order to trace the adresee. If they remain unknown, the letters are burnt.
She was depressed, working in a dead letter office, reading all that stuff people write just to find out there is no one who will eventually receive these letters.
by necrotism June 5, 2006
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Dead Letter Circus are an Australian rock quartet, formed in 2005. As of December 2009, they have released two EP's, 'Dead Letter Circus - EP' and 'Next In Line - EP'.

DLC receive medium rotation on popular alternative radio station Triple J.
Festival Junkie 1: Hey, you're going to the Open Arms Festival next week, right?

Festival Junkie 2: Dude, Dead Letter Circus are playing. OF COURSE I'm going!

Random Stoner: DLC!!!!!!!!!!!!!!!!!!!!
by TripleJ.net.au December 8, 2009
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