1) Details, used as shorthand, often on the internet, and often used in the command form.

2) A "clan" of kids who used to terrorize Seattle. They called themselves Clan Deets because they would always go "Deets", or "Downtown" on Friday afternoons.
"Hey, let's go deets!"
by Grand Master Yourik November 4, 2004
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i finally talked to that sexy man but only for a deet
by alizxx March 23, 2004
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Deet is a word you use to describe someone or something that is dorky, nerdy, or something you would shake your head to.
That guy is a deet. He wouldn't see Death Cab, he'll go and see Deet Cab.
by chantal and justin November 17, 2006
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Derived from the phrase "deet dee dee" meaning retarded or slow.
Can be used as noun:
e.g. Sandra: I LEFT MY LITTLE BROTHER IN THE POOL BY HIMSELF!
Sasha: What a deet.
Can be used as an adjective:
Diamond: Why I open the door with this key?!
Samantha: It's the wrong key.
Diamond: Ooooh
Samantha: You're so deet.
by Karisma =]] January 13, 2009
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