5ailure Share definition Flag A failure SO epic, they're incapable of spelling 'failure' correctly. Adam: "I'm taking a nap." Phoebe: "Wow...you're a 5ailure." Adam: "...look whose talking." 5ailure by pheeble October 5, 2009 0 0 Get merch Get the 5ailure mug. Buy Now — $32.95 See more merch