Yerra is an Irish expression of dismissal, disbelief, depreciation or a magical combination of all three. This phonetic spelling is an anglicisation of the Irish "Dhera", which is itself a compound of "A Dhia, ara" ("Ah God, yeah"). Meaning something between "all things considered" and "it could be worse", an example of the word in action is "Dhera, ná bac é" ("Don't mind the lad"). • Hard enamel pin • 6 colours with silver plating • Rubber clutch • Guaranteed good time