A slick or smooth movement, or to make something smooth and shiny; often used informally.
Possibly derived from 'glide' and 'slick' blended together, or from Old English roots meaning smooth. It's primarily dialectal and informal, gaining traction in casual American English.
This word is a great example of how new words get invented through 'blending' two existing words together, which linguists call a 'portmanteau.' You do this naturally in speech without even realizing it!
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