a man who had not had the pleasure of being circumsized. A man with a lot of extra skin on his penis. Also an insult.
My girl Shaniqua told me that ellis tried to fuck her, he pulled down his pants, and she saw his nasty ass skinbag.

Nick is such a skinbag

by Josh Rozenblat March 23, 2006
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Refers to a friend who never buys his round of drinks, always has an excuse for being short of cash and never pays back what you lend him. The skinbag isn't necessarily a bad guy, they just don't see the fault with their poor cash-etiquette.
Don't invite Matt out tonight, he's a total skinbag.
by Greg May 1, 2004
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A derogatory insult used by some in the furry community to refer to non-furs who aren't nice people
If I ever meet that skinbag Osama Bin Laden face to muzzle, he's in for a good ass kicking.
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A mysterious activity of no definite nature. Primarily a term used to cause a person to believe you've engaged in of some obscure (possibly sexual, possibly disturbing) but popular activity that they are not aware of.

The use of the term 'skinbagging' (or skinbag, skinbagger, skinbaggery) may be accompanied by equally vague hand gestures or noises, primarily used to further misdirect or befuddle.
I love a good skinbagging after work", or "I would never skinbag a guy shorter than me", or "Dude nice skinbag on Thursday. How'd you get it so soft?
by Skinbag your mum. March 13, 2011
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