Cool Irish Slang posters, not at all 'diddley eye'. In Ireland, we have a fairly random, and often completely impenetrable, number of Irish slang words and expressions. The 'Jammy' graphic poster, basically means lucky. Used in conversation like this... ‘She won money on the lotto again this week. The jammy yoke*’! Add a frame or personalise it with your own colour choice and/or text.