n: flake

A person whose social and psychological outer layer slips away when under pressure. They lack integrity, resilience and robustness. For their protection they depend upon unrealistic and imaginative constructs.

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(I was called out on my use of the word "flake" recently and was challenged to define it. I came up pretty much with the above definition and then went through all the other definitions that people have supplied to the UD for it. I was struck by the consistency of them - especially the self-interest and unreliability. We know who these people are ...)
There's no place for flakes WTSHTF
by GrimlyFiendish January 2, 2011
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A flake is an insincere person. Insincere in anything they say or do.
Text from Tanya> hey bud let's meet out!
Text from Tanya> we be clubbin' 2nite woohoo!!
Text from Tanya> let's do this!!!

<Reply> OK let me know when you get there.

Text from Tanya> B there in 10 minutes.

....Half-hour later
<Reply> I'm here. Where the hell are you?

........Hour and 1/2 Later
<Reply> WTF? Thanks a lot.

Text from Tanya: Couldn't make it my pants ripped.

<Reply> OK next time keep your fat ass at home instead of wasting my time, Flake!
by What matters September 17, 2009
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A Frequently unreliable person who says that they will do somthing or attend somthing, but never shows. Usually this is done without notice.
"Alex isn't here yet, we need to start playing poker!... I bet he flaked again"
by John70 October 11, 2007
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A FLAKE is ONLY when a person does NOT inform the person/parties AHEAD* of time that he is unable to make the engagement. On dates, people get STOOD UP. At events, he is considered a NO-SHOW.

Later, flakes generally give lame excuses for their absence or attempt to ignore their behavior altogether.

* A flake is NOT necessarily someone who is LATE or someone who informs the party ahead of time that they are unable to make the event.
Ya know, Bob is such a flake. He coulda (at least) called to let us know that he wasn’t gonna show up.”
by MNMaxCat April 6, 2020
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to quit commitment at the last second, not showing the responsibility of keeping a promise
Darn, @6_resell flakes on me again...
by Jellygrape February 25, 2019
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"Dude, you look fucked."
"Yeah man, I'm on flake."
by Curiosal September 21, 2014
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A flake is a friend who makes plans and does not attend the date. Or someone you can't rely on.
Ashley was supposed to call me yesterday to make a time for that playdate, but she flaked out, what a flake.
by Roxapebble May 16, 2009
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