Eppypotamus

A portmanteau comprised from blending parts from the words Eppi etymologist blimpo hippo hip and hippopotamus. Definition: A genius etymologist with a hippo-sized ass and preternatural knack for divining the origin and meanings of vernacular words in common usage throughout urban America ... and the world-at-large. See: Einstein

She was a genius etymologist, holding a PhD in American Slang from the prestigious Wharton School of Slangonomics ... a true Eppypotamus!