blarneyStamp Share definition Flag The act of pooping on the chest of an Irish girl in the shape of a four leaf clover. "After a night of Guinness I gave that ginger a blarneystamp and slipped out her back door." blarneyStamp by Nemonixon September 20, 2009 0 0 Get merch Get the blarneyStamp mug. Buy Now — $32.95 See more merch