er....m8s Share definition Flag a word said on the southside of dublin when they are annoyed at someone or something also means get sum friends georgia: heya cathy cathy:er....m8s jillian is annoyin me lyk er....m8s er....m8s by sxccathyxxx May 19, 2007 0 0 Get merch Get the er....m8s mug. Buy Now — $32.95 See more merch