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1.
A term used in southern and central Appalachia and adjacent areas to address a group of people. Is pronounced a number of ways varying from you'uns and yuns in rural Appalachia to yins in the Pittsburgh area. Supposedly originated from the phrase "you ones" used by Scots-Irish immigrants.
You'uns gonna be round for supper?
by some_backwards_hick December 06, 2005
 
2.
Southern expression used to describe a group of people that can fit into the cab of a 1964 Dodge Stepside truck.
See: Yall
Billy-Bob: You uns want a coke?
Group: Yep.
Billy-Bob: What kind?
Group: Sun-Drop

by DHTN August 24, 2007