1)To move nonchalantly or to move in a manner that is effortless. Most commonly used as a verb.

2)To describe what you are doing
1)"I'm going to shleen over Dar's house in a little bit to drink some beers"

2)Q:"What are you doing?" A:"Just shleenin'"
by DDDoran November 23, 2010
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Apollo: “wait, what’s a shleen?”
*James unzips pants*
Apollo: “Oh”
by windowando January 5, 2023
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