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fleek

[fleek]
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adjective Slang. (usually used in the adjectival phrase on fleek )
  1. flawlessly styled, groomed, etc.; looking great: eyebrows that stay on fleek; her totally on-fleek outfit.
  2. perfect; flawless: That song is fleek!
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Origin of fleek

First recorded in 2014; an arbitrary online coinage by Kayla Newman (username “Peaches Monroee” ); earlier senses recorded 2000–10
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018