look up any word, like dirty sanchez:
 
1.
Combined form of incredible and impressive. Used to describe feats or actions that are not only incredible, but truly impressive.
After relating to a friend about the time you single handedly carry a team of newbs to a come-from-behind upset victory, you're friend replies in a Darth Vader voice: "Incressive!"
by FlyingK November 09, 2011