flake out

flake

4 [fleyk]
verb, flaked, flaking.
flake out, Slang. to fall asleep; take a nap.

Origin:
1935–40; perhaps expressive variant of flag3; compare British dialect flack to hang loosely, flap

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
flake1 (fleɪk)
 
n
1.  a small thin piece or layer chipped off or detached from an object or substance; scale
2.  a small piece or particle: a flake of snow
3.  a thin layer or stratum
4.  archaeol
 a.  See also blade a fragment removed by chipping or hammering from a larger stone used as a tool or weapon
 b.  (as modifier): flake tool
5.  slang chiefly (US) an eccentric, crazy, or unreliable person
 
vb
6.  to peel or cause to peel off in flakes; chip
7.  to cover or become covered with or as with flakes
8.  (tr) to form into flakes
 
[C14: of Scandinavian origin; compare Norwegian flak disc, Middle Dutch vlacken to flutter]
 
'flaker1
 
n

flake2 (fleɪk)
 
n
a rack or platform for drying fish or other produce
 
[C14: from Old Norse flaki; related to Dutch vlaak hurdle]

flake3 (fleɪk)
 
vb
nautical another word for fake

flake4 (fleɪk)
 
n
(in Australia) the commercial name for the meat of the gummy shark

flake out
 
vb
informal to collapse or fall asleep as through extreme exhaustion

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

flake
early 14c., possibly from O.E. *flacca "flakes of snow," from O.N. flak "loose or torn piece" (related to O.N. fla "to skin," see flay), from P.Gmc. *flak- (cf. M.Du. vlac "flat, level," M.H.G. vlach, Ger. Flocke "flake"); from the same PIE root as L. plaga "a flat surface,
district, region." The verb is attested from early 15c. Related: Flaked; flaking.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
flake   (flāk)  Pronunciation Key 
  1. A relatively thin, sharp-edged stone fragment removed from a core or from another flake by striking or prying, serving as a tool or blade itself or as a blank for making other tools. See more at flake tool.

  2. A small, symmetrical, six-sided crystal of snow. Flakes can be large or small and wet or dry, depending on weather conditions. They are white in color because of their large number of reflecting surfaces.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Idioms & Phrases

flake out

  1. Drop from exhaustion, faint. For example, After running the marathon, be simply flaked out on the ground. This expression possibly is derived from a now obsolete meaning of flake, "to become flabby or fall in folds." [Slang; c. 1940]

  2. Lie down, go to sleep, as in Homeless persons flaked out in doorways. [Slang; early 1940s]

  3. Lose one's nerve, as in Please don't flake out now. [Slang; 1950s]

  4. Go crazy; also, cause someone to go crazy. For example, She just flaked out and we had to call an ambulance, or This project is flaking us out. The usages in def. 3 and 4 probably are derived from the adjective flaky, meaning "eccentric." [c. 1970]

  5. Die, as in He flaked out last night. [1960s]

  6. Surprise, astonish, as in She said she'd just been made a partner, and that flaked me out. This usage appears to be a variant of freak out. [c. 1970]

The American Heritage® Dictionary of Idioms by Christine Ammer.
Copyright © 1997. Published by Houghton Mifflin.
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