ulti-hack Share definition Flag To hack someone's online status with such brilliance and epicness that it is considered to be the Ultimate Hack. Or, ulti-hack. Person A status: 'I want sex with a fat hairy man.'Person B comment: 'WHOA, ulti-hack' ulti-hack by ulti-hacker September 29, 2011 0 0 Get merch Get the ulti-hack mug. Buy Now — $32.95 See more merch