Several steps beyond a regular bastard, someone so treacherous, conniving, and evil that you can't believe how much of a bastard they really are. Typically uttered after the unbelievable bastard has done something shockingly wicked.
After seeing millions of bodies littered across the landscape, all I could do was turn to the man responsible and say, "you unbelievable bastard..."
by RySenkari July 29, 2009

5 Words Related to unbelievable bastard

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×