douchebagasarus Rex 

A abnormally large douchebag where douchebag is describing a person not the actual femine hygine product.

Person 1: I just burnt all that money you loant me on corndog porn!
Person 2: You said you were curing cancer! You fucking douchebagasarus Rex!

douchebagasarus Rex by MonsterDipper88 October 10, 2007

Douchebagasaurus Rex 

A complete douchebag, like such a big douchebag, that it's like fucking dinosaur huge.

Phil: Chris is kind of a douchebag, but he's can be cool sometimes.
Mike: No, he's not cool, he's a Douchebagasaurus Rex.

Douchebagasaurus Rex by BrotherSport April 4, 2009