Any sexual action, bar none. When you're doing something sexual, your skin by definition has to be touching your own skin or someone elses.
Jacking off? Skin on skin
Fucking a chick? Skin on skin
Fucking a diseased monkey up the ass thereby spreading aids from primates to humans? Yes, skin on skin
by TorturedSoul January 2, 2010
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Performing sexual penetration of penis to vagina without a condom. Usually symbolizing more. Reserved and used only with someone special.
Juan was out of condoms so he went skin-to-skin on Kensey.
by ClamFest January 24, 2012
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use of a condom to prevent pregnancy and disease
skin on skin or else I dont go in
by GeorgeSmith August 31, 2007
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A term Native Americans may use to refer to one another.
That guy Robbie, is he Mex or skin-dian?
by Resdawg2 May 26, 2005
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Use to identify another person who has either lighter or darker skin tone. With the commonly inaccurate categories of white. black, Hispanic, etc. This allows the speaker to accurately address somebody else without using general slang terms or formal speech.

Depending on the pigment of the speaker light or dark is directly related to the subject. Two different people may call another exact subject the opposite when giving a description.
Hey there "light skin or dark skin." How are them Redskins looking for that game against the Cowboys?

Excuse me "dark skin or dark skin" I am short on my bus fare by a dime; any chance you could help me out?

That light skin broad I saw was a real class act.

I was feeling how that dark skin cat was laying some knowledge to them hoppers cutting up in the park. That was some old school looking.
by Heathen Minded January 2, 2012
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