noun. A butticular celebration that has many cousins.
Real citation: "Bud is perfectly fine for what it is - a light, somewhat sweet American pilsner. If I'm at the beach, I'm not reaching for a Asstoberfest frappe. I'm grabbing a Bud. I used to drink Pabst and Miller, but in recent months, those beers have tasted so vile that I've sworn off them forever."
(Sept. 19, 2008, The Noise Boston, http://www.thenoiseboard.com/lofiversion/index.php?t193382.html)
Made-up citation: "In honor of this fine Asstoberfest, I am getting my fourth point of contact exorcised by a local troupe of freelance proctologists who know where the deadliest of demons dwell."