unable-to-text-back syndrome Share definition Flag disease contracted by men whenever we text them saying anything remotely different to 'shag me now' text reads, how are you? No reply. looks like hes caught the syndrome unable-to-text-back syndrome by kkkkkkkkkk May 30, 2004 0 0 Get merch Get the unable-to-text-back syndrome mug. Buy Now — $32.95 See more merch