One who teaches and/or practices the art of being a douche, also known as douchism.
Man I think we need to have an intervention for Alex, I'm pretty sure he's a douchist now.
by Ben, Alex, and Terrance January 24, 2008
A(n) supporter of/action that supports the lifestyle of douche.
The comments he makes are very douchist. I do not follow that ideal, so I cannot be friends with him. I am sorry.
by Tallymo March 29, 2011