A penis on a white male. Averaging 3 inches in length. Often found on very gay white males(Curtis Krauth and Michael Krestos). Average penis can be reduced to a WHITE NASTY by the use of steroids or over-ejaculation.
Hey did u guys hear about Paul Saunders' white nasty, he hooked up with Amanda Rolla.
by Paul Saunders March 03, 2005
1 more definition
A slang term for cum. When you ejaculate, the white nasty comes flying out.
That whore blew me and took my white nasty all over her face.
by Ng Chang October 19, 2006