A combination of wanker and gangsta. One who is emulating the mannerisms of African-American urban street culture poorly. Typically used to describe a teenage rural caucasion amateur rap artist with little to no talent; though it is not implicitly race, age, or geographically limited.
Skeeter: So Jeff- I mean 'MC White-out', my bad- hows life in Kansas as a newly emerged wankster?
Je...- MC White-Out: Aw dawg why you doin' me like that? Sheeet mang, word.
1. A person who uses the internet* to accumulate totally random, unbalanced, often overly advanced masses of information with no regard to complete understanding of a subject.
*prior to the internet they used libraries, but the definition has been updated so that those who use libraries are referred to as 'slomads'
2. A person who devoted so much time to learning a single subject that they cannot function in the world.
1. Tim could tell you the current theories about string theory, recite Blake, and nanotechnology advances; so long as you didn't probe his knowledge too deeply you would think he was a genius rather than a knowmad.
2. In the years I have know Tim I cant recall him ever appearing anything but confused if we weren't talking about physics- total knowmad.