douche-o-potamus 

a severe douche, a mega douchebag, one who has reached the pinnacle of douchedom, a simpleton with issues.

Tim you are annoying the fuck out of me you fawking douche-o-potamus. Buyaa!!!

douche-o-potamus by Fillmore Slim March 29, 2005

douche o potamus 

Similar in type and variety to a "Douche Bag" only of a far heavier stature.

1. A person that is a total moron and doesn't think before he/she speaks or acts.

2a of what's cool, possibly an arrogance about them.

3. One with an intolerable personality.

Oh My Effing God, look at that douche o potamus over there acting like he actually know's what's going on.

douche o potamus by Pretty Boy January 28, 2010

doucheopotamus 

A specific person who is behaving like a real jack-ass or huge douche!

Eventually they both are attacked by a wild doucheopotamus and mauled n raped to death

doucheopotamus by BigBossanova August 4, 2011