my lard ah mercy Share definition Flag Newfoundland slang for "My Lord have mercy" or "Lord have mercy"Ah is pronounced "awe". There's a fire down the street! Oh my lard ah mercy call 911! my lard ah mercy by The Gewfie Newfie January 20, 2011 0 0 Get merch Get the my lard ah mercy mug. Buy Now — $32.95 See more merch