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1.
Behavior that is in the style of douche.
"How was Jason last night?"
"Everything he did was douchesque."
by Chris DePaul December 09, 2008
 
2.
an unthoughtful way of acting or just making an ass out of one self; adjective version of douchebag
"you watch that jersey shore show? those kids act very douchesque" OR "im not surprised anything to do with jersey is very douchesque"
by VINNYsmalls May 07, 2010