adj. to enable someone who's being a douche.
to let a douche continue being a douche in spite of how insulting it is.
To stay in a relationship with a douche without the expectation that he will ever stop being a douche.
Sara: Joe is such a douche.
Jessica: Well then why are you with him? You're just douchenabling him.
He will never stop being a douche as long as you keep douchenabling him.