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2.
A silver mustache, usually found on the over-40 set. Typically seen at motorcycle, Nascar, and sporting events, this mustache is grown with pride and usually very well-groomed.
"Yo, I was at the Jimmy Buffett show last weekend, and I have never seen so many fine silverlips"
by JohnnyClemz June 11, 2008
 
1.
Female daywalker with silver-tinted lips, colored so from applying metallic colored chapstick several times every hour to maintain her silvery complexion. Unaware of her lips color, and when informed, goes into an immediate state of denial.
Hey look, there's Silver Lips!
by cirriboun October 19, 2011