From douche + -lord.
douchelord (plural douchelords)
- (humorous, vulgar, slang) An objectionable person.
2016, Jennifer Niven, Holding Up the Universe[1], Penguin Random House, →ISBN:“Okay,” I say. “I get it. I'm king douchelord and you trust me but you don't. You don't know me well enough to know how deep the douchery goes.”