Mebs
Heard in Waterford, Cork, Clare and Limerick
Marbles... can also be used as a euphemism for testicles. Mebs are known to later generations of Waterfordians as Chynies... there are several varieties of Chynies also such as Taws which were the big fat wans as big as yer eyeball.
Yer man gave me some kick in de mebs cos I bet him in a game of mebs
That fellow delivered a rather painful blow to my testicles because I defeated him at marbles.