Top Definition
Another insult reffering to the word douch bag and relatating to animals.
Dude i heard they found joeys ancestors. The ancient species of the doucheasaurus rex
by Mike Halk April 28, 2005
A mega douche; a douche so big that it shouldn't even exist. The equalivance of a giant TOOL. A giant DOUCHE bag. Oversized idiot.
My boyfriend acts like a doucheasaurus 95% of the time.
I dated this guy for a few months and found out later that he was engaged. He denied it and said he wasn't married, so I emailed him his wedding registry. He said "I didn't want to tell you this way" WHAT a DOUCHEASAURUS!
by GTLBarbie July 31, 2013
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