noun. A douche for all seasons. A douche of all trades. One douche fits all.
Real citation: “Dan Bryant—A Brownie + a fratboy + a politico = omnidouche”
(Feb. 8, 2007, The Declaration Online, http://www.the-declaration.com/index.php?issuedate=2007-02-08&showarticle=1609)
Made-up citation: “I don't recommend the life of an omnidouche to my children and disciples. I tell them, show your commitment to douchery by picking a specialty and sticking with it. Carpe douche!”