noun. Not your garden-variety, off-the-shelf doofus. A very special doofus indeed, one of the eclectic few.
Real citation: “I guess Alternadoofus hasn't figured out that your kids will love whatever music you enjoy...until they turn about 11. Then, they won't want to be scene in public with you.”
(Jan. 25, 2007, Fast Cupid, http://fastcupid.com/blog/376/post_35001.html?dcb=fastcupid.com&highid=2491769_19118)
Made-up citation: "The alternadoofus is a lower form of life than the hipster doofus, according to zoologists."