Definitions by APTAP2

Jackassavant 

Savant- person who exhibits exceptional skill or brilliance in some limited field.
Someone who is such a huge jackass that they are in the savant realm of being a Jackass

Joe: What did Scott do to piss you off.
Fred: Don't even get me started on that Jackassavant.

Jackassavant by APTAP2 November 5, 2007