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1.
The act of nestling into a tight space by moving about. To burrow like an animal.
Little Mark is ruchin' between the couch cushons. Quit ruchin' around Aunt Bonnie while she's sitting down, she doesn't like it.
by monkeytoe34 October 07, 2008
 
2.
Sweet
He is so Ruchin
by filberoptik February 09, 2010