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3.
The piece of extra skin on the elbow which becomes flappy when the arm is extended. Through growth it becomes wrinkly and slightly crusted therefore leading to the name Rhino Skin because it is like a Rhinosorus's skin.
Damn My Rhino skin is rather crusty, I gotta get some lotion on that.
by FuckerMcdude July 17, 2007
 
1.
The skin of an old woman's vagina.
Hillary Clinton probably has rhino skin.
by jasom February 09, 2004
 
2.
The pattern that gets imprinted into your skin after laying on something for too long. See frenselensis.
The notebook spirals left rhino skin on his face after falling asleep during world history class.
by Milamoe November 20, 2004