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1.
A typically generic person in a famous or notable organization, such as a sports team or political party who is destined to not stand out.

The sketchy notability requirements usually will qualify them for a low trafficked Wikipedia page.
John Smith is a Z grade congressmen from the 7th Wyoming Congressional District

Fatguy Runblock is a Z grade lineman of the Buffalo Bills.

Pintapout McJobber is a Z grade WWE dark match jobber.
by Blargstar November 30, 2010