look up any word, like cleveland steamer:
 
1.
a person who's both a rat and a bastard
Jay: Hey who ate my last Eggo?!

Jim: (pointing) That rastard over there.

Rastard: Hey you never said leggo my Eggo...

Jay: Well at least I have a father...
by Rex Kwon Do Dojo September 18, 2008
 
2.
exceptionally unintelligent and/or mean-spirited Jamaican, or thereabouts
I hear Bob Marley got caught skinning cats in his front yard. What a rastard.
by .N.A. December 09, 2010