Bumsickle Share definition Flag An exclamation or interjection for something that is mildly unfortunate. The printer is broken and you didn't really need to print that dirty picture but you wanted to and it sucks that you can't. Horny Self: "Bumsickle." Bumsickle by Beardlust December 22, 2008 0 0 Get merch Get the Bumsickle mug. Buy Now — $32.95 See more merch